408812 has 6 divisors (see below), whose sum is σ = 715428. Its totient is φ = 204404.

The previous prime is 408809. The next prime is 408817. The reversal of 408812 is 218804.

It is not an unprimeable number, because it can be changed into a prime (408817) by changing a digit.

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 as a sum of consecutive naturals, namely, 51098 + ... + 51105.

It is an arithmetic number, because the mean of its divisors is an integer number (119238).

2⁴⁰⁸⁸¹² is an apocalyptic number.

It is an amenable number.

408812 is a deficient number, since it is larger than the sum of its proper divisors (306616).

408812 is a wasteful number, since it uses less digits than its factorization.

408812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102207 (or 102205 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 408812 is about 639.3840786257. The cubic root of 408812 is about 74.2177661292.

The spelling of 408812 in words is "four hundred eight thousand, eight hundred twelve".