404887255 has 8 divisors (see below), whose sum is σ = 491324400. Its totient is φ = 320270016.

The previous prime is 404887253. The next prime is 404887277. The reversal of 404887255 is 552788404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 404887255 - 2¹ = 404887253 is a prime.

It is a super-2 number, since 2×404887255² = 327867378522870050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404887253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 454485 + ... + 455374.

It is an arithmetic number, because the mean of its divisors is an integer number (61415550).

Almost surely, 2^404887255 is an apocalyptic number.

404887255 is a deficient number, since it is larger than the sum of its proper divisors (86437145).

404887255 is an equidigital number, since it uses as much as digits as its factorization.

404887255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909953.

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 404887255 is about 20121.8104304757. The cubic root of 404887255 is about 739.7949608458.

The spelling of 404887255 in words is "four hundred four million, eight hundred eighty-seven thousand, two hundred fifty-five".