654974 has 16 divisors (see below), whose sum is σ = 1034208. Its totient is φ = 310752.

The previous prime is 654967. The next prime is 654991. The reversal of 654974 is 479456.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

654974 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 7 ways as a sum of consecutive naturals, for example, 3839 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (64638).

2⁶⁵⁴⁹⁷⁴ is an apocalyptic number.

654974 is a deficient number, since it is larger than the sum of its proper divisors (379234).

654974 is a wasteful number, since it uses less digits than its factorization.

654974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 30240, while the sum is 35.

The square root of 654974 is about 809.3046397989. The cubic root of 654974 is about 86.8443069118.

The spelling of 654974 in words is "six hundred fifty-four thousand, nine hundred seventy-four".