10391442 has 16 divisors (see below), whose sum is σ = 21876960. Its totient is φ = 3281472.

The previous prime is 10391441. The next prime is 10391453. The reversal of 10391442 is 24419301.

It is not an unprimeable number, because it can be changed into a prime (10391441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45463 + ... + 45690.

It is an arithmetic number, because the mean of its divisors is an integer number (1367310).

Almost surely, 2^10391442 is an apocalyptic number.

10391442 is an abundant number, since it is smaller than the sum of its proper divisors (11485518).

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

10391442 is a wasteful number, since it uses less digits than its factorization.

10391442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91177.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10391442 is about 3223.5759646703. The cubic root of 10391442 is about 218.2186874877.

The spelling of 10391442 in words is "ten million, three hundred ninety-one thousand, four hundred forty-two".