406444604 has 24 divisors (see below), whose sum is σ = 720071856. Its totient is φ = 200720000.

The previous prime is 406444601. The next prime is 406444679.

406444604 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×406444604² = 330394432241433632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406444601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209519 + ... + 211449.

It is an arithmetic number, because the mean of its divisors is an integer number (30002994).

Almost surely, 2^406444604 is an apocalyptic number.

It is an amenable number.

406444604 is a deficient number, since it is larger than the sum of its proper divisors (313627252).

406444604 is a wasteful number, since it uses less digits than its factorization.

406444604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 406444604 is about 20160.4713238555. The cubic root of 406444604 is about 740.7422574207.

The spelling of 406444604 in words is "four hundred six million, four hundred forty-four thousand, six hundred four".