406606604 has 24 divisors (see below), whose sum is σ = 745866240. Its totient is φ = 193582224.

The previous prime is 406606549. The next prime is 406606643.

It is a happy number.

406606604 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 30425.

It is an arithmetic number, because the mean of its divisors is an integer number (31077760).

Almost surely, 2^406606604 is an apocalyptic number.

It is an amenable number.

406606604 is a deficient number, since it is larger than the sum of its proper divisors (339259636).

406606604 is a wasteful number, since it uses less digits than its factorization.

406606604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20069 (or 20067 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 406606604 is about 20164.4886867979. The cubic root of 406606604 is about 740.8406589453.

The spelling of 406606604 in words is "four hundred six million, six hundred six thousand, six hundred four".