404352355 has 24 divisors (see below), whose sum is σ = 534685536. Its totient is φ = 293335680.

The previous prime is 404352341. The next prime is 404352359. The reversal of 404352355 is 553253404.

It is a happy number.

It is not a de Polignac number, because 404352355 - 2⁷ = 404352227 is a prime.

It is a super-3 number, since 3×404352355³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (404352359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390919 + ... + 391951.

It is an arithmetic number, because the mean of its divisors is an integer number (22278564).

Almost surely, 2^404352355 is an apocalyptic number.

404352355 is a deficient number, since it is larger than the sum of its proper divisors (130333181).

404352355 is a wasteful number, since it uses less digits than its factorization.

404352355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 404352355 is about 20108.5144901358. The cubic root of 404352355 is about 739.4690341349.

The spelling of 404352355 in words is "four hundred four million, three hundred fifty-two thousand, three hundred fifty-five".