900831056 has 20 divisors (see below), whose sum is σ = 1745944800. Its totient is φ = 450264672.

The previous prime is 900831053. The next prime is 900831109. The reversal of 900831056 is 650138009.

900831056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×900831056² = 1622993182908150272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900831053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51935 + ... + 67073.

It is an arithmetic number, because the mean of its divisors is an integer number (87297240).

Almost surely, 2^900831056 is an apocalyptic number.

It is an amenable number.

900831056 is a deficient number, since it is larger than the sum of its proper divisors (845113744).

900831056 is a wasteful number, since it uses less digits than its factorization.

900831056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18866 (or 18860 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 900831056 is about 30013.8477373362. The cubic root of 900831056 is about 965.7864693844.

The spelling of 900831056 in words is "nine hundred million, eight hundred thirty-one thousand, fifty-six".