916556 has 6 divisors (see below), whose sum is σ = 1603980. Its totient is φ = 458276.

The previous prime is 916537. The next prime is 916561. The reversal of 916556 is 655619.

It is a super-2 number, since 2×916556² = 1680149802272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114566 + ... + 114573.

It is an arithmetic number, because the mean of its divisors is an integer number (267330).

2⁹¹⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

916556 is a deficient number, since it is larger than the sum of its proper divisors (687424).

916556 is a wasteful number, since it uses less digits than its factorization.

916556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229143 (or 229141 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 916556 is about 957.3693122301. The cubic root of 916556 is about 97.1373686963.

The spelling of 916556 in words is "nine hundred sixteen thousand, five hundred fifty-six".