404252315 has 8 divisors (see below), whose sum is σ = 501830640. Its totient is φ = 312249952.

The previous prime is 404252297. The next prime is 404252323. The reversal of 404252315 is 513252404.

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 404252315 - 2²² = 400058011 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1393829 + ... + 1394118.

It is an arithmetic number, because the mean of its divisors is an integer number (62728830).

Almost surely, 2^404252315 is an apocalyptic number.

404252315 is a deficient number, since it is larger than the sum of its proper divisors (97578325).

404252315 is a wasteful number, since it uses less digits than its factorization.

404252315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787981.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 404252315 is about 20106.0268327683. The cubic root of 404252315 is about 739.4080455912.

The spelling of 404252315 in words is "four hundred four million, two hundred fifty-two thousand, three hundred fifteen".