408396 has 12 divisors (see below), whose sum is σ = 952952. Its totient is φ = 136128.

The previous prime is 408389. The next prime is 408403. The reversal of 408396 is 693804.

It is an interprime number because it is at equal distance from previous prime (408389) and next prime (408403).

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17005 + ... + 17028.

2⁴⁰⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

408396 is an abundant number, since it is smaller than the sum of its proper divisors (544556).

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

408396 is a wasteful number, since it uses less digits than its factorization.

408396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040 (or 34038 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 408396 is about 639.0586827514. The cubic root of 408396 is about 74.1925833482.

The spelling of 408396 in words is "four hundred eight thousand, three hundred ninety-six".