900871044 has 24 divisors (see below), whose sum is σ = 2127360480. Its totient is φ = 296672064.

The previous prime is 900871009. The next prime is 900871087. The reversal of 900871044 is 440178009.

It is a junction number, because it is equal to n+sod(n) for n = 900870996 and 900871014.

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, 451249 + ... + 453240.

It is an arithmetic number, because the mean of its divisors is an integer number (88640020).

Almost surely, 2^900871044 is an apocalyptic number.

It is an amenable number.

900871044 is an abundant number, since it is smaller than the sum of its proper divisors (1226489436).

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

900871044 is a wasteful number, since it uses less digits than its factorization.

900871044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904579 (or 904577 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 900871044 is about 30014.5138891170. The cubic root of 900871044 is about 965.8007596325.

The spelling of 900871044 in words is "nine hundred million, eight hundred seventy-one thousand, forty-four".