398875223 has 16 divisors (see below), whose sum is σ = 425744640. Its totient is φ = 372877824.

The previous prime is 398875163. The next prime is 398875237. The reversal of 398875223 is 322578893.

It is a cyclic number.

It is not a de Polignac number, because 398875223 - 2¹² = 398871127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398875283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261140 + ... + 262662.

It is an arithmetic number, because the mean of its divisors is an integer number (26609040).

Almost surely, 2^398875223 is an apocalyptic number.

398875223 is a deficient number, since it is larger than the sum of its proper divisors (26869417).

398875223 is a wasteful number, since it uses less digits than its factorization.

398875223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798.

The product of its digits is 725760, while the sum is 47.

The square root of 398875223 is about 19971.8607796069. The cubic root of 398875223 is about 736.1150324051.

The spelling of 398875223 in words is "three hundred ninety-eight million, eight hundred seventy-five thousand, two hundred twenty-three".