398795682194 has 32 divisors (see below), whose sum is σ = 736672599936. Its totient is φ = 157672235520.

The previous prime is 398795682191. The next prime is 398795682203. The reversal of 398795682194 is 491286597893.

It is a super-2 number, since 2×398795682194² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (398795682191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336752 + ... + 954459.

It is an arithmetic number, because the mean of its divisors is an integer number (23021018748).

Almost surely, 2^398795682194 is an apocalyptic number.

398795682194 is a deficient number, since it is larger than the sum of its proper divisors (337876917742).

398795682194 is a wasteful number, since it uses less digits than its factorization.

398795682194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292930.

The product of its digits is 235146240, while the sum is 71.

The spelling of 398795682194 in words is "three hundred ninety-eight billion, seven hundred ninety-five million, six hundred eighty-two thousand, one hundred ninety-four".