974615961 has 32 divisors (see below), whose sum is σ = 1515386880. Its totient is φ = 551196800.

The previous prime is 974615909. The next prime is 974615977. The reversal of 974615961 is 169516479.

It is a happy number.

It is not a de Polignac number, because 974615961 - 2⁶ = 974615897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 974615961.

It is not an unprimeable number, because it can be changed into a prime (974615981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15460 + ... + 46778.

It is an arithmetic number, because the mean of its divisors is an integer number (47355840).

Almost surely, 2^974615961 is an apocalyptic number.

It is an amenable number.

974615961 is a deficient number, since it is larger than the sum of its proper divisors (540770919).

974615961 is a wasteful number, since it uses less digits than its factorization.

974615961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31397.

The product of its digits is 408240, while the sum is 48.

The square root of 974615961 is about 31218.8398407116. The cubic root of 974615961 is about 991.4660322331.

The spelling of 974615961 in words is "nine hundred seventy-four million, six hundred fifteen thousand, nine hundred sixty-one".