617996 has 12 divisors (see below), whose sum is σ = 1106952. Its totient is φ = 301728.

The previous prime is 617983. The next prime is 618029. The reversal of 617996 is 699716.

It is an unprimeable number.

617996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (92246).

2⁶¹⁷⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

617996 is a deficient number, since it is larger than the sum of its proper divisors (488956).

617996 is a wasteful number, since it uses less digits than its factorization.

617996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3638 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 617996 is about 786.1272161680. The cubic root of 617996 is about 85.1782189174.

The spelling of 617996 in words is "six hundred seventeen thousand, nine hundred ninety-six".