396504 has 24 divisors (see below), whose sum is σ = 1074060. Its totient is φ = 132144.

The previous prime is 396479. The next prime is 396509. The reversal of 396504 is 405693.

It is a happy number.

396504 is a `hidden beast` number, since 3 + 9 + 650 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2682 + ... + 2825.

2³⁹⁶⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

396504 is an abundant number, since it is smaller than the sum of its proper divisors (677556).

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

396504 is a wasteful number, since it uses less digits than its factorization.

396504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519 (or 5512 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 396504 is about 629.6856358533. The cubic root of 396504 is about 73.4653453180.

It can be divided in two parts, 396 and 504, that added together give a square (900 = 30²).

The spelling of 396504 in words is "three hundred ninety-six thousand, five hundred four".