900678128 has 40 divisors (see below), whose sum is σ = 2099329920. Its totient is φ = 365688000.

The previous prime is 900678127. The next prime is 900678151. The reversal of 900678128 is 821876009.

It is a super-2 number, since 2×900678128² = 1622442180515168768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900678127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209498 + ... + 213753.

It is an arithmetic number, because the mean of its divisors is an integer number (52483248).

Almost surely, 2^900678128 is an apocalyptic number.

It is an amenable number.

900678128 is an abundant number, since it is smaller than the sum of its proper divisors (1198651792).

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

900678128 is a wasteful number, since it uses less digits than its factorization.

900678128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423285 (or 423279 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 900678128 is about 30011.3000051647. The cubic root of 900678128 is about 965.7318146109.

The spelling of 900678128 in words is "nine hundred million, six hundred seventy-eight thousand, one hundred twenty-eight".