396486 has 12 divisors (see below), whose sum is σ = 859092. Its totient is φ = 132156.

The previous prime is 396479. The next prime is 396509. The reversal of 396486 is 684693.

396486 is a `hidden beast` number, since 3 + 9 + 648 + 6 = 666.

It is a super-3 number, since 3×396486³ = 186984163330917768, which contains 333 as substring. Note that it is a super-d number also for d = 2.

396486 is a modest number, since divided by 486 gives 396 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 396486.

It is a congruent number.

It is an unprimeable number.

396486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10996 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (71591).

2³⁹⁶⁴⁸⁶ is an apocalyptic number.

396486 is an abundant number, since it is smaller than the sum of its proper divisors (462606).

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

396486 is a wasteful number, since it uses less digits than its factorization.

396486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22035 (or 22032 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 396486 is about 629.6713428448. The cubic root of 396486 is about 73.4642336048.

The spelling of 396486 in words is "three hundred ninety-six thousand, four hundred eighty-six".