900872 has 16 divisors (see below), whose sum is σ = 1930560. Its totient is φ = 386064.

The previous prime is 900869. The next prime is 900917. The reversal of 900872 is 278009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7988 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (120660).

2⁹⁰⁰⁸⁷² is an apocalyptic number.

It is an amenable number.

900872 is an abundant number, since it is smaller than the sum of its proper divisors (1029688).

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

900872 is a wasteful number, since it uses less digits than its factorization.

900872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100 (or 16096 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 900872 is about 949.1427711361. The cubic root of 900872 is about 96.5801101267.

The spelling of 900872 in words is "nine hundred thousand, eight hundred seventy-two".