972170444 has 24 divisors (see below), whose sum is σ = 1963223808. Its totient is φ = 412598160.

The previous prime is 972170443. The next prime is 972170461. The reversal of 972170444 is 444071279.

972170444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 972170398 and 972170407.

It is not an unprimeable number, because it can be changed into a prime (972170443) 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, 165662 + ... + 171429.

It is an arithmetic number, because the mean of its divisors is an integer number (81800992).

Almost surely, 2^972170444 is an apocalyptic number.

It is an amenable number.

972170444 is an abundant number, since it is smaller than the sum of its proper divisors (991053364).

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

972170444 is a wasteful number, since it uses less digits than its factorization.

972170444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337205 (or 337203 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 972170444 is about 31179.6479133424. The cubic root of 972170444 is about 990.6360718695.

The spelling of 972170444 in words is "nine hundred seventy-two million, one hundred seventy thousand, four hundred forty-four".