10391136 has 108 divisors (see below), whose sum is σ = 32419548. Its totient is φ = 2905728.

The previous prime is 10391093. The next prime is 10391137. The reversal of 10391136 is 63119301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 221065 + ... + 221111.

It is an arithmetic number, because the mean of its divisors is an integer number (300181).

Almost surely, 2^10391136 is an apocalyptic number.

10391136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10391136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16209774).

10391136 is an abundant number, since it is smaller than the sum of its proper divisors (22028412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10391136 is an equidigital number, since it uses as much as digits as its factorization.

10391136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 10391136 is about 3223.5285015027. The cubic root of 10391136 is about 218.2165454824.

Multiplying 10391136 by its sum of digits (24), we get a square (249387264 = 15792²).

10391136 divided by its sum of digits (24) gives a square (432964 = 658²).

Multiplying 10391136 by its product of nonzero digits (486), we get a square (5050092096 = 71064²).

The spelling of 10391136 in words is "ten million, three hundred ninety-one thousand, one hundred thirty-six".