972361218 has 32 divisors (see below), whose sum is σ = 1976446656. Its totient is φ = 318846528.

The previous prime is 972361211. The next prime is 972361231. The reversal of 972361218 is 812163279.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (972361211) 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, 438280 + ... + 440492.

It is an arithmetic number, because the mean of its divisors is an integer number (61763958).

Almost surely, 2^972361218 is an apocalyptic number.

972361218 is an abundant number, since it is smaller than the sum of its proper divisors (1004085438).

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

972361218 is a wasteful number, since it uses less digits than its factorization.

972361218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its digits is 36288, while the sum is 39.

The square root of 972361218 is about 31182.7070345087. The cubic root of 972361218 is about 990.7008668330.

The spelling of 972361218 in words is "nine hundred seventy-two million, three hundred sixty-one thousand, two hundred eighteen".