617346980 has 24 divisors (see below), whose sum is σ = 1309019712. Its totient is φ = 244540512.

The previous prime is 617346973. The next prime is 617347009. The reversal of 617346980 is 89643716.

It is a super-2 number, since 2×617346980² = 762234587430240800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 147782 + ... + 151901.

It is an arithmetic number, because the mean of its divisors is an integer number (54542488).

Almost surely, 2^617346980 is an apocalyptic number.

It is an amenable number.

617346980 is an abundant number, since it is smaller than the sum of its proper divisors (691672732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617346980 is a wasteful number, since it uses less digits than its factorization.

617346980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299795 (or 299793 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 617346980 is about 24846.4681594789. The cubic root of 617346980 is about 851.4839039017.

The spelling of 617346980 in words is "six hundred seventeen million, three hundred forty-six thousand, nine hundred eighty".