408621104 has 20 divisors (see below), whose sum is σ = 793292976. Its totient is φ = 203900352.

The previous prime is 408621097. The next prime is 408621173. The reversal of 408621104 is 401126804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17339 + ... + 33434.

Almost surely, 2^408621104 is an apocalyptic number.

It is an amenable number.

408621104 is a deficient number, since it is larger than the sum of its proper divisors (384671872).

408621104 is a wasteful number, since it uses less digits than its factorization.

408621104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51284 (or 51278 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 408621104 is about 20214.3786449151. The cubic root of 408621104 is about 742.0621226047.

Adding to 408621104 its reverse (401126804), we get a palindrome (809747908).

The spelling of 408621104 in words is "four hundred eight million, six hundred twenty-one thousand, one hundred four".