404812 has 6 divisors (see below), whose sum is σ = 708428. Its totient is φ = 202404.

The previous prime is 404783. The next prime is 404819. The reversal of 404812 is 218404.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 404812.

It is not an unprimeable number, because it can be changed into a prime (404819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50598 + ... + 50605.

2⁴⁰⁴⁸¹² is an apocalyptic number.

It is an amenable number.

404812 is a deficient number, since it is larger than the sum of its proper divisors (303616).

404812 is a wasteful number, since it uses less digits than its factorization.

404812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101207 (or 101205 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 404812 is about 636.2483791728. The cubic root of 404812 is about 73.9749123625.

The spelling of 404812 in words is "four hundred four thousand, eight hundred twelve".