402204406 has 8 divisors (see below), whose sum is σ = 604364904. Its totient is φ = 200749440.

The previous prime is 402204373. The next prime is 402204419. The reversal of 402204406 is 604402204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174955 + ... + 177238.

It is an arithmetic number, because the mean of its divisors is an integer number (75545613).

Almost surely, 2^402204406 is an apocalyptic number.

402204406 is a deficient number, since it is larger than the sum of its proper divisors (202160498).

402204406 is a wasteful number, since it uses less digits than its factorization.

402204406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352766.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 402204406 is about 20055.0344302871. The cubic root of 402204406 is about 738.1573377522.

The spelling of 402204406 in words is "four hundred two million, two hundred four thousand, four hundred six".