404253395 has 16 divisors (see below), whose sum is σ = 597051840. Its totient is φ = 255878784.

The previous prime is 404253389. The next prime is 404253407. The reversal of 404253395 is 593352404.

It is not a de Polignac number, because 404253395 - 2¹⁰ = 404252371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 443780 + ... + 444689.

It is an arithmetic number, because the mean of its divisors is an integer number (37315740).

Almost surely, 2^404253395 is an apocalyptic number.

404253395 is a deficient number, since it is larger than the sum of its proper divisors (192798445).

404253395 is a wasteful number, since it uses less digits than its factorization.

404253395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888494.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 404253395 is about 20106.0536903690. The cubic root of 404253395 is about 739.4087040578.

The spelling of 404253395 in words is "four hundred four million, two hundred fifty-three thousand, three hundred ninety-five".