404488086 has 16 divisors (see below), whose sum is σ = 813941184. Its totient is φ = 134001864.

The previous prime is 404488081. The next prime is 404488087. The reversal of 404488086 is 680884404.

It is a super-2 number, since 2×404488086² = 327221223431886792, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205816 + ... + 207771.

It is an arithmetic number, because the mean of its divisors is an integer number (50871324).

Almost surely, 2^404488086 is an apocalyptic number.

404488086 is an abundant number, since it is smaller than the sum of its proper divisors (409453098).

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

404488086 is a wasteful number, since it uses less digits than its factorization.

404488086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413755.

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 404488086 is about 20111.8891703390. The cubic root of 404488086 is about 739.5517653155.

The spelling of 404488086 in words is "four hundred four million, four hundred eighty-eight thousand, eighty-six".