617979339 has 12 divisors (see below), whose sum is σ = 892953672. Its totient is φ = 411840000.

The previous prime is 617979281. The next prime is 617979367. The reversal of 617979339 is 933979716.

It is not a de Polignac number, because 617979339 - 2⁷ = 617979211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617979379) 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 11 ways as a sum of consecutive naturals, for example, 18699 + ... + 39819.

It is an arithmetic number, because the mean of its divisors is an integer number (74412806).

Almost surely, 2^617979339 is an apocalyptic number.

617979339 is a deficient number, since it is larger than the sum of its proper divisors (274974333).

617979339 is a wasteful number, since it uses less digits than its factorization.

617979339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24378 (or 24375 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 617979339 is about 24859.1902321858. The cubic root of 617979339 is about 851.7745345013.

The spelling of 617979339 in words is "six hundred seventeen million, nine hundred seventy-nine thousand, three hundred thirty-nine".