970931 has 4 divisors (see below), whose sum is σ = 1045632. Its totient is φ = 896232.

The previous prime is 970927. The next prime is 970939. The reversal of 970931 is 139079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 970931 - 2² = 970927 is a prime.

It is a super-2 number, since 2×970931² = 1885414013522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 970894 and 970903.

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 3 ways as a sum of consecutive naturals, for example, 37331 + ... + 37356.

It is an arithmetic number, because the mean of its divisors is an integer number (261408).

2⁹⁷⁰⁹³¹ is an apocalyptic number.

970931 is a deficient number, since it is larger than the sum of its proper divisors (74701).

970931 is a wasteful number, since it uses less digits than its factorization.

970931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74700.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 970931 is about 985.3583104638. The cubic root of 970931 is about 99.0214897403.

The spelling of 970931 in words is "nine hundred seventy thousand, nine hundred thirty-one".