396580 has 24 divisors (see below), whose sum is σ = 846720. Its totient is φ = 156000.

The previous prime is 396577. The next prime is 396581. The reversal of 396580 is 85693.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (396581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2³⁹⁶⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

396580 is an abundant number, since it is smaller than the sum of its proper divisors (450140).

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

396580 is a wasteful number, since it uses less digits than its factorization.

396580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 396580 is about 629.7459805350. The cubic root of 396580 is about 73.4700388474.

The spelling of 396580 in words is "three hundred ninety-six thousand, five hundred eighty".