408267996 has 24 divisors (see below), whose sum is σ = 975861264. Its totient is φ = 132769920.

The previous prime is 408267989. The next prime is 408268013. The reversal of 408267996 is 699762804.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414415 + ... + 415398.

It is an arithmetic number, because the mean of its divisors is an integer number (40660886).

Almost surely, 2^408267996 is an apocalyptic number.

It is an amenable number.

408267996 is an abundant number, since it is smaller than the sum of its proper divisors (567593268).

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

408267996 is a wasteful number, since it uses less digits than its factorization.

408267996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829861 (or 829859 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 408267996 is about 20205.6426772325. The cubic root of 408267996 is about 741.8483111769.

The spelling of 408267996 in words is "four hundred eight million, two hundred sixty-seven thousand, nine hundred ninety-six".