406383904 has 12 divisors (see below), whose sum is σ = 800068374. Its totient is φ = 203191936.

The previous prime is 406383899. The next prime is 406383953. The reversal of 406383904 is 409383604.

It can be written as a sum of positive squares in only one way, i.e., 280495504 + 125888400 = 16748^2 + 11220^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349717 + ... + 6349780.

Almost surely, 2^406383904 is an apocalyptic number.

It is an amenable number.

406383904 is a deficient number, since it is larger than the sum of its proper divisors (393684470).

406383904 is a wasteful number, since it uses less digits than its factorization.

406383904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12699507 (or 12699499 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 406383904 is about 20158.9658464912. The cubic root of 406383904 is about 740.7053804859.

The spelling of 406383904 in words is "four hundred six million, three hundred eighty-three thousand, nine hundred four".