408604072 has 8 divisors (see below), whose sum is σ = 766132650. Its totient is φ = 204302032.

The previous prime is 408604051. The next prime is 408604081. The reversal of 408604072 is 270406804.

It can be written as a sum of positive squares in only one way, i.e., 375816996 + 32787076 = 19386^2 + 5726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25537747 + ... + 25537762.

Almost surely, 2^408604072 is an apocalyptic number.

It is an amenable number.

408604072 is a deficient number, since it is larger than the sum of its proper divisors (357528578).

408604072 is a wasteful number, since it uses less digits than its factorization.

408604072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51075515 (or 51075511 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 408604072 is about 20213.9573562427. The cubic root of 408604072 is about 742.0518123380.

The spelling of 408604072 in words is "four hundred eight million, six hundred four thousand, seventy-two".