407812 has 12 divisors (see below), whose sum is σ = 730576. Its totient is φ = 199080.

The previous prime is 407807. The next prime is 407821. The reversal of 407812 is 218704.

407812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

407812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 1014 + ... + 1357.

2⁴⁰⁷⁸¹² is an apocalyptic number.

It is an amenable number.

407812 is a deficient number, since it is larger than the sum of its proper divisors (322764).

407812 is a wasteful number, since it uses less digits than its factorization.

407812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 407812 is about 638.6015972420. The cubic root of 407812 is about 74.1572017267.

The spelling of 407812 in words is "four hundred seven thousand, eight hundred twelve".