909871996 has 48 divisors (see below), whose sum is σ = 1817303040. Its totient is φ = 394560320.

The previous prime is 909871957. The next prime is 909871999. The reversal of 909871996 is 699178909.

It is a self number, because there is not a number n which added to its sum of digits gives 909871996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909871999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483810 + ... + 485686.

It is an arithmetic number, because the mean of its divisors is an integer number (37860480).

Almost surely, 2^909871996 is an apocalyptic number.

It is an amenable number.

909871996 is a deficient number, since it is larger than the sum of its proper divisors (907431044).

909871996 is a wasteful number, since it uses less digits than its factorization.

909871996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 909871996 is about 30164.0845377412. The cubic root of 909871996 is about 969.0066693827.

The spelling of 909871996 in words is "nine hundred nine million, eight hundred seventy-one thousand, nine hundred ninety-six".