408670512 has 20 divisors (see below), whose sum is σ = 1055732280. Its totient is φ = 136223488.

The previous prime is 408670511. The next prime is 408670519. The reversal of 408670512 is 215076804.

It is not an unprimeable number, because it can be changed into a prime (408670511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256937 + ... + 4257032.

It is an arithmetic number, because the mean of its divisors is an integer number (52786614).

Almost surely, 2^408670512 is an apocalyptic number.

It is an amenable number.

408670512 is an abundant number, since it is smaller than the sum of its proper divisors (647061768).

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

408670512 is a wasteful number, since it uses less digits than its factorization.

408670512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8513980 (or 8513974 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 408670512 is about 20215.6007083638. The cubic root of 408670512 is about 742.0920299584.

The spelling of 408670512 in words is "four hundred eight million, six hundred seventy thousand, five hundred twelve".