398075122 has 8 divisors (see below), whose sum is σ = 623074176. Its totient is φ = 190383732.

The previous prime is 398075087. The next prime is 398075143. The reversal of 398075122 is 221570893.

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, 4326858 + ... + 4326949.

It is an arithmetic number, because the mean of its divisors is an integer number (77884272).

Almost surely, 2^398075122 is an apocalyptic number.

398075122 is a deficient number, since it is larger than the sum of its proper divisors (224999054).

398075122 is a wasteful number, since it uses less digits than its factorization.

398075122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653832.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 398075122 is about 19951.8200172315. The cubic root of 398075122 is about 735.6225136255.

The spelling of 398075122 in words is "three hundred ninety-eight million, seventy-five thousand, one hundred twenty-two".