398245373194 has 8 divisors (see below), whose sum is σ = 602654503140. Its totient is φ = 197360538816.

The previous prime is 398245373147. The next prime is 398245373231. The reversal of 398245373194 is 491373542893.

It can be written as a sum of positive squares in 2 ways, for example, as 371567050969 + 26678322225 = 609563^2 + 163335^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 881073609 + ... + 881074060.

Almost surely, 2^398245373194 is an apocalyptic number.

398245373194 is a deficient number, since it is larger than the sum of its proper divisors (204409129946).

398245373194 is a wasteful number, since it uses less digits than its factorization.

398245373194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762147784.

The product of its digits is 19595520, while the sum is 58.

The spelling of 398245373194 in words is "three hundred ninety-eight billion, two hundred forty-five million, three hundred seventy-three thousand, one hundred ninety-four".