404320855 has 8 divisors (see below), whose sum is σ = 510721200. Its totient is φ = 306432576.

The previous prime is 404320849. The next prime is 404320897. The reversal of 404320855 is 558023404.

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 404320855 - 2¹¹ = 404318807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127910 + ... + 2128099.

It is an arithmetic number, because the mean of its divisors is an integer number (63840150).

Almost surely, 2^404320855 is an apocalyptic number.

404320855 is a deficient number, since it is larger than the sum of its proper divisors (106400345).

404320855 is a wasteful number, since it uses less digits than its factorization.

404320855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256033.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 404320855 is about 20107.7312245813. The cubic root of 404320855 is about 739.4498315102.

The spelling of 404320855 in words is "four hundred four million, three hundred twenty thousand, eight hundred fifty-five".