404626 has 8 divisors (see below), whose sum is σ = 609840. Its totient is φ = 201348.

The previous prime is 404597. The next prime is 404671. The reversal of 404626 is 626404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404597 and 404606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (76230).

2⁴⁰⁴⁶²⁶ is an apocalyptic number.

404626 is a deficient number, since it is larger than the sum of its proper divisors (205214).

404626 is a wasteful number, since it uses less digits than its factorization.

404626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404626 is about 636.1021930476. The cubic root of 404626 is about 73.9635808131.

The spelling of 404626 in words is "four hundred four thousand, six hundred twenty-six".