660476 has 12 divisors (see below), whose sum is σ = 1164072. Its totient is φ = 327888.

The previous prime is 660449. The next prime is 660493. The reversal of 660476 is 674066.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (97006).

2⁶⁶⁰⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

660476 is a deficient number, since it is larger than the sum of its proper divisors (503596).

660476 is a wasteful number, since it uses less digits than its factorization.

660476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 660476 is about 812.6967454100. The cubic root of 660476 is about 87.0868028704.

The spelling of 660476 in words is "six hundred sixty thousand, four hundred seventy-six".