404254506 has 16 divisors (see below), whose sum is σ = 828229248. Its totient is φ = 131464800.

The previous prime is 404254493. The next prime is 404254511. The reversal of 404254506 is 605452404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821410 + ... + 821901.

It is an arithmetic number, because the mean of its divisors is an integer number (51764328).

Almost surely, 2^404254506 is an apocalyptic number.

404254506 is an abundant number, since it is smaller than the sum of its proper divisors (423974742).

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

404254506 is a wasteful number, since it uses less digits than its factorization.

404254506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643357.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 404254506 is about 20106.0813188448. The cubic root of 404254506 is about 739.4093814236.

The spelling of 404254506 in words is "four hundred four million, two hundred fifty-four thousand, five hundred six".