398759422 has 8 divisors (see below), whose sum is σ = 629620200. Its totient is φ = 188886024.

The previous prime is 398759419. The next prime is 398759437. The reversal of 398759422 is 224957893.

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

It is a congruent number.

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, 5246797 + ... + 5246872.

It is an arithmetic number, because the mean of its divisors is an integer number (78702525).

Almost surely, 2^398759422 is an apocalyptic number.

398759422 is a deficient number, since it is larger than the sum of its proper divisors (230860778).

398759422 is a wasteful number, since it uses less digits than its factorization.

398759422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493690.

The product of its digits is 1088640, while the sum is 49.

The square root of 398759422 is about 19968.9614652340. The cubic root of 398759422 is about 736.0437894847.

The spelling of 398759422 in words is "three hundred ninety-eight million, seven hundred fifty-nine thousand, four hundred twenty-two".