404366223 has 8 divisors (see below), whose sum is σ = 541531008. Its totient is φ = 268389464.

The previous prime is 404366213. The next prime is 404366273. The reversal of 404366223 is 322663404.

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 404366223 - 2¹⁸ = 404104079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404366213) by changing a digit.

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, 296211 + ... + 297572.

It is an arithmetic number, because the mean of its divisors is an integer number (67691376).

Almost surely, 2^404366223 is an apocalyptic number.

404366223 is a deficient number, since it is larger than the sum of its proper divisors (137164785).

404366223 is a wasteful number, since it uses less digits than its factorization.

404366223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594013.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 404366223 is about 20108.8593162317. The cubic root of 404366223 is about 739.4774878504.

The spelling of 404366223 in words is "four hundred four million, three hundred sixty-six thousand, two hundred twenty-three".