10398520 has 32 divisors (see below), whose sum is σ = 25524720. Its totient is φ = 3781120.

The previous prime is 10398503. The next prime is 10398527. The reversal of 10398520 is 2589301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10398527) 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, 11377 + ... + 12256.

Almost surely, 2^10398520 is an apocalyptic number.

10398520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10398520 is an abundant number, since it is smaller than the sum of its proper divisors (15126200).

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

10398520 is a wasteful number, since it uses less digits than its factorization.

10398520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655 (or 23651 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10398520 is about 3224.6736268962. The cubic root of 10398520 is about 218.2682218808.

It can be divided in two parts, 1039 and 8520, that added together give a palindrome (9559).

The spelling of 10398520 in words is "ten million, three hundred ninety-eight thousand, five hundred twenty".