972308 has 6 divisors (see below), whose sum is σ = 1701546. Its totient is φ = 486152.

The previous prime is 972277. The next prime is 972313. The reversal of 972308 is 803279.

972308 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., 868624 + 103684 = 932^2 + 322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121535 + ... + 121542.

It is an arithmetic number, because the mean of its divisors is an integer number (283591).

2⁹⁷²³⁰⁸ is an apocalyptic number.

It is an amenable number.

972308 is a deficient number, since it is larger than the sum of its proper divisors (729238).

972308 is a wasteful number, since it uses less digits than its factorization.

972308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243081 (or 243079 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 972308 is about 986.0567934962. The cubic root of 972308 is about 99.0682792589.

Subtracting from 972308 its sum of digits (29), we obtain a palindrome (972279).

The spelling of 972308 in words is "nine hundred seventy-two thousand, three hundred eight".