972169400 has 24 divisors (see below), whose sum is σ = 2260294320. Its totient is φ = 388867680.

The previous prime is 972169391. The next prime is 972169403. The reversal of 972169400 is 4961279.

It is a super-2 number, since 2×972169400² = 1890226684592720000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972169403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2430224 + ... + 2430623.

It is an arithmetic number, because the mean of its divisors is an integer number (94178930).

Almost surely, 2^972169400 is an apocalyptic number.

It is an amenable number.

972169400 is an abundant number, since it is smaller than the sum of its proper divisors (1288124920).

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

972169400 is a wasteful number, since it uses less digits than its factorization.

972169400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860863 (or 4860854 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 972169400 is about 31179.6311716479. The cubic root of 972169400 is about 990.6357172594.

The spelling of 972169400 in words is "nine hundred seventy-two million, one hundred sixty-nine thousand, four hundred".