655946 has 8 divisors (see below), whose sum is σ = 990660. Its totient is φ = 325728.

The previous prime is 655943. The next prime is 655961. The reversal of 655946 is 649556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 7921 = 805^2 + 89^2 .

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

It is not an unprimeable number, because it can be changed into a prime (655943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 1358.

2⁶⁵⁵⁹⁴⁶ is an apocalyptic number.

655946 is a deficient number, since it is larger than the sum of its proper divisors (334714).

655946 is a wasteful number, since it uses less digits than its factorization.

655946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its digits is 32400, while the sum is 35.

The square root of 655946 is about 809.9049326927. The cubic root of 655946 is about 86.8872454833.

The spelling of 655946 in words is "six hundred fifty-five thousand, nine hundred forty-six".