674986 has 12 divisors (see below), whose sum is σ = 1096902. Its totient is φ = 311376.

The previous prime is 674977. The next prime is 674987. The reversal of 674986 is 689476.

It can be written as a sum of positive squares in 3 ways, for example, as 140625 + 534361 = 375^2 + 731^2 .

It is a super-2 number, since 2×674986² = 911212200392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 661 + ... + 1336.

2⁶⁷⁴⁹⁸⁶ is an apocalyptic number.

674986 is a deficient number, since it is larger than the sum of its proper divisors (421916).

674986 is a wasteful number, since it uses less digits than its factorization.

674986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2012 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 674986 is about 821.5753160849. The cubic root of 674986 is about 87.7199256793.

The spelling of 674986 in words is "six hundred seventy-four thousand, nine hundred eighty-six".