402606606 has 64 divisors (see below), whose sum is σ = 845365248. Its totient is φ = 127735008.

The previous prime is 402606587. The next prime is 402606629. The reversal of 402606606 is 606606204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410735 + ... + 2410901.

It is an arithmetic number, because the mean of its divisors is an integer number (13208832).

Almost surely, 2^402606606 is an apocalyptic number.

402606606 is an abundant number, since it is smaller than the sum of its proper divisors (442758642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402606606 is a wasteful number, since it uses less digits than its factorization.

402606606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 402606606 is about 20065.0593320827. The cubic root of 402606606 is about 738.4033055326.

The spelling of 402606606 in words is "four hundred two million, six hundred six thousand, six hundred six".