404001346 has 8 divisors (see below), whose sum is σ = 692573760. Its totient is φ = 173143428.

The previous prime is 404001319. The next prime is 404001397. The reversal of 404001346 is 643100404.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14428606 + ... + 14428633.

It is an arithmetic number, because the mean of its divisors is an integer number (86571720).

Almost surely, 2^404001346 is an apocalyptic number.

404001346 is a deficient number, since it is larger than the sum of its proper divisors (288572414).

404001346 is a wasteful number, since it uses less digits than its factorization.

404001346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28857248.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404001346 is about 20099.7847252153. The cubic root of 404001346 is about 739.2550001574.

The spelling of 404001346 in words is "four hundred four million, one thousand, three hundred forty-six".