900949904 has 40 divisors (see below), whose sum is σ = 1853795040. Its totient is φ = 422972928.

The previous prime is 900949897. The next prime is 900949927. The reversal of 900949904 is 409949009.

It is a happy number.

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, 21239 + ... + 47465.

It is an arithmetic number, because the mean of its divisors is an integer number (46344876).

Almost surely, 2^900949904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900949904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926897520).

900949904 is an abundant number, since it is smaller than the sum of its proper divisors (952845136).

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

900949904 is a wasteful number, since it uses less digits than its factorization.

900949904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26367 (or 26361 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 900949904 is about 30015.8275581401. The cubic root of 900949904 is about 965.8289400719.

The spelling of 900949904 in words is "nine hundred million, nine hundred forty-nine thousand, nine hundred four".