969972216 has 32 divisors (see below), whose sum is σ = 2426025600. Its totient is φ = 323178080.

The previous prime is 969972209. The next prime is 969972217. The reversal of 969972216 is 612279969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969972217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54061 + ... + 69731.

It is an arithmetic number, because the mean of its divisors is an integer number (75813300).

Almost surely, 2^969972216 is an apocalyptic number.

It is an amenable number.

969972216 is an abundant number, since it is smaller than the sum of its proper divisors (1456053384).

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

969972216 is a wasteful number, since it uses less digits than its factorization.

969972216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259 (or 18255 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 969972216 is about 31144.3769563624. The cubic root of 969972216 is about 989.8888478412. Note that the first 4 decimals are identical.

The spelling of 969972216 in words is "nine hundred sixty-nine million, nine hundred seventy-two thousand, two hundred sixteen".