10557398 has 4 divisors (see below), whose sum is σ = 15836100. Its totient is φ = 5278698.

The previous prime is 10557373. The next prime is 10557409. The reversal of 10557398 is 89375501.

10557398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10557398² = 222917305060808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639348 + ... + 2639351.

It is an arithmetic number, because the mean of its divisors is an integer number (3959025).

Almost surely, 2^10557398 is an apocalyptic number.

10557398 is a deficient number, since it is larger than the sum of its proper divisors (5278702).

10557398 is an equidigital number, since it uses as much as digits as its factorization.

10557398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278701.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 10557398 is about 3249.2149821149. The cubic root of 10557398 is about 219.3742410885.

The spelling of 10557398 in words is "ten million, five hundred fifty-seven thousand, three hundred ninety-eight".