969217992 has 24 divisors (see below), whose sum is σ = 2624965590. Its totient is φ = 323072640.

The previous prime is 969217969. The next prime is 969218009. The reversal of 969217992 is 299712969.

969217992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 798288516 + 170929476 = 28254^2 + 13074^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6730609 + ... + 6730752.

Almost surely, 2^969217992 is an apocalyptic number.

It is an amenable number.

969217992 is an abundant number, since it is smaller than the sum of its proper divisors (1655747598).

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

969217992 is a wasteful number, since it uses less digits than its factorization.

969217992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461373 (or 13461366 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 969217992 is about 31132.2660916291. The cubic root of 969217992 is about 989.6322111015.

The spelling of 969217992 in words is "nine hundred sixty-nine million, two hundred seventeen thousand, nine hundred ninety-two".