972939 has 8 divisors (see below), whose sum is σ = 1415232. Its totient is φ = 589640.

The previous prime is 972901. The next prime is 972941. The reversal of 972939 is 939279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972939 - 2⁸ = 972683 is a prime.

It is a super-2 number, since 2×972939² = 1893220595442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 972897 and 972906.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972939.

It is not an unprimeable number, because it can be changed into a prime (970939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14709 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

2⁹⁷²⁹³⁹ is an apocalyptic number.

972939 is a deficient number, since it is larger than the sum of its proper divisors (442293).

972939 is a wasteful number, since it uses less digits than its factorization.

972939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29497.

The product of its digits is 30618, while the sum is 39.

The square root of 972939 is about 986.3767028879. The cubic root of 972939 is about 99.0897054484.

The spelling of 972939 in words is "nine hundred seventy-two thousand, nine hundred thirty-nine".