406466404 has 6 divisors (see below), whose sum is σ = 711316214. Its totient is φ = 203233200.

The previous prime is 406466383. The next prime is 406466429. The reversal of 406466404 is 404664604.

It can be written as a sum of positive squares in only one way, i.e., 406425600 + 40804 = 20160^2 + 202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406466404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50808297 + ... + 50808304.

Almost surely, 2^406466404 is an apocalyptic number.

It is an amenable number.

406466404 is a deficient number, since it is larger than the sum of its proper divisors (304849810).

406466404 is a wasteful number, since it uses less digits than its factorization.

406466404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101616605 (or 101616603 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 406466404 is about 20161.0119785689. The cubic root of 406466404 is about 740.7555006297.

The spelling of 406466404 in words is "four hundred six million, four hundred sixty-six thousand, four hundred four".