909944316 has 72 divisors (see below), whose sum is σ = 2323745424. Its totient is φ = 300222720.

The previous prime is 909944311. The next prime is 909944323. The reversal of 909944316 is 613449909.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909944311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2963835 + ... + 2964141.

It is an arithmetic number, because the mean of its divisors is an integer number (32274242).

Almost surely, 2^909944316 is an apocalyptic number.

It is an amenable number.

909944316 is an abundant number, since it is smaller than the sum of its proper divisors (1413801108).

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

909944316 is a wasteful number, since it uses less digits than its factorization.

909944316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 909944316 is about 30165.2832905643. The cubic root of 909944316 is about 969.0323421169.

The spelling of 909944316 in words is "nine hundred nine million, nine hundred forty-four thousand, three hundred sixteen".