404488084 has 48 divisors (see below), whose sum is σ = 950414976. Its totient is φ = 145468800.

The previous prime is 404488081. The next prime is 404488087. The reversal of 404488084 is 480884404.

It is an interprime number because it is at equal distance from previous prime (404488081) and next prime (404488087).

It is a super-2 number, since 2×404488084² = 327221220195982112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404488081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46507 + ... + 54514.

It is an arithmetic number, because the mean of its divisors is an integer number (19800312).

Almost surely, 2^404488084 is an apocalyptic number.

404488084 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404488084 is an abundant number, since it is smaller than the sum of its proper divisors (545926892).

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

404488084 is a wasteful number, since it uses less digits than its factorization.

404488084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101056 (or 101054 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 404488084 is about 20111.8891206172. The cubic root of 404488084 is about 739.5517640966.

The spelling of 404488084 in words is "four hundred four million, four hundred eighty-eight thousand, eighty-four".