655674 has 8 divisors (see below), whose sum is σ = 1311360. Its totient is φ = 218556.

The previous prime is 655657. The next prime is 655687. The reversal of 655674 is 476556.

It is a sphenic number, since it is the product of 3 distinct primes.

655674 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

655674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54634 + ... + 54645.

It is an arithmetic number, because the mean of its divisors is an integer number (163920).

2⁶⁵⁵⁶⁷⁴ is an apocalyptic number.

655674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655674 is a wasteful number, since it uses less digits than its factorization.

655674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109284.

The product of its digits is 25200, while the sum is 33.

The square root of 655674 is about 809.7369943383. The cubic root of 655674 is about 86.8752340280.

The spelling of 655674 in words is "six hundred fifty-five thousand, six hundred seventy-four".