10399136 has 48 divisors (see below), whose sum is σ = 23079168. Its totient is φ = 4569600.

The previous prime is 10399127. The next prime is 10399171. The reversal of 10399136 is 63199301.

10399136 = T₅₆ + T₅₇ + ... + T₃₉₆.

10399136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10436 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 2^10399136 is an apocalyptic number.

10399136 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 10399136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11539584).

10399136 is an abundant number, since it is smaller than the sum of its proper divisors (12680032).

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

10399136 is a wasteful number, since it uses less digits than its factorization.

10399136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 10399136 is about 3224.7691390238. The cubic root of 10399136 is about 218.2725318073.

The spelling of 10399136 in words is "ten million, three hundred ninety-nine thousand, one hundred thirty-six".