10236840 has 64 divisors (see below), whose sum is σ = 32054400. Its totient is φ = 2610432.

The previous prime is 10236829. The next prime is 10236841. The reversal of 10236840 is 4863201.

It is a happy number.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10236840.

It is not an unprimeable number, because it can be changed into a prime (10236841) 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 15 ways as a sum of consecutive naturals, for example, 906 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^10236840 is an apocalyptic number.

10236840 is a gapful number since it is divisible by the number (10) 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 10236840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16027200).

10236840 is an abundant number, since it is smaller than the sum of its proper divisors (21817560).

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

10236840 is a wasteful number, since it uses less digits than its factorization.

10236840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10236840 is about 3199.5062119021. The cubic root of 10236840 is about 217.1310696345.

The spelling of 10236840 in words is "ten million, two hundred thirty-six thousand, eight hundred forty".