404004076 has 12 divisors (see below), whose sum is σ = 808008208. Its totient is φ = 173144592.

The previous prime is 404004061. The next prime is 404004091. The reversal of 404004076 is 670400404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404004061) and next prime (404004091).

404004076 is an admirable number.

It is a super-2 number, since 2×404004076² = 326438586849227552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404004076.

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 3 ways as a sum of consecutive naturals, for example, 7214331 + ... + 7214386.

Almost surely, 2^404004076 is an apocalyptic number.

It is an amenable number.

404004076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404004076 is a wasteful number, since it uses less digits than its factorization.

404004076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428728 (or 14428726 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 404004076 is about 20099.8526362757. The cubic root of 404004076 is about 739.2566653017.

The spelling of 404004076 in words is "four hundred four million, four thousand, seventy-six".