404634426 has 16 divisors (see below), whose sum is σ = 924878784. Its totient is φ = 115609824.

The previous prime is 404634407. The next prime is 404634443. The reversal of 404634426 is 624436404.

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, 4817035 + ... + 4817118.

It is an arithmetic number, because the mean of its divisors is an integer number (57804924).

Almost surely, 2^404634426 is an apocalyptic number.

404634426 is an abundant number, since it is smaller than the sum of its proper divisors (520244358).

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

404634426 is a wasteful number, since it uses less digits than its factorization.

404634426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634165.

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 404634426 is about 20115.5269878768. The cubic root of 404634426 is about 739.6409421952.

The spelling of 404634426 in words is "four hundred four million, six hundred thirty-four thousand, four hundred twenty-six".