404872322 has 8 divisors (see below), whose sum is σ = 607783500. Its totient is φ = 202277824.

The previous prime is 404872309. The next prime is 404872373. The reversal of 404872322 is 223278404.

It can be written as a sum of positive squares in 2 ways, for example, as 318586801 + 86285521 = 17849^2 + 9289^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75947 + ... + 81102.

Almost surely, 2^404872322 is an apocalyptic number.

404872322 is a deficient number, since it is larger than the sum of its proper divisors (202911178).

404872322 is a wasteful number, since it uses less digits than its factorization.

404872322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158340.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 404872322 is about 20121.4393620337. The cubic root of 404872322 is about 739.7858657262.

The spelling of 404872322 in words is "four hundred four million, eight hundred seventy-two thousand, three hundred twenty-two".