404026 has 8 divisors (see below), whose sum is σ = 692640. Its totient is φ = 173148.

The previous prime is 404021. The next prime is 404029. The reversal of 404026 is 620404.

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

It is not an unprimeable number, because it can be changed into a prime (404021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14416 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (86580).

2⁴⁰⁴⁰²⁶ is an apocalyptic number.

404026 is a deficient number, since it is larger than the sum of its proper divisors (288614).

404026 is a wasteful number, since it uses less digits than its factorization.

404026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28868.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404026 is about 635.6303957490. The cubic root of 404026 is about 73.9270037419.

The spelling of 404026 in words is "four hundred four thousand, twenty-six".