979016393 has 4 divisors (see below), whose sum is σ = 979165200. Its totient is φ = 978867588.

The previous prime is 979016369. The next prime is 979016399. The reversal of 979016393 is 393610979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 979016393 - 2⁶ = 979016329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979016399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64055 + ... + 77852.

It is an arithmetic number, because the mean of its divisors is an integer number (244791300).

Almost surely, 2^979016393 is an apocalyptic number.

It is an amenable number.

979016393 is a deficient number, since it is larger than the sum of its proper divisors (148807).

979016393 is a wasteful number, since it uses less digits than its factorization.

979016393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148806.

The product of its (nonzero) digits is 275562, while the sum is 47.

The square root of 979016393 is about 31289.2376545035. The cubic root of 979016393 is about 992.9559623720.

The spelling of 979016393 in words is "nine hundred seventy-nine million, sixteen thousand, three hundred ninety-three".