8194031898 has 32 divisors (see below), whose sum is σ = 17688597696. Its totient is φ = 2515538688.

The previous prime is 8194031891. The next prime is 8194031899. The reversal of 8194031898 is 8981304918.

It is a self number, because there is not a number n which added to its sum of digits gives 8194031898.

It is not an unprimeable number, because it can be changed into a prime (8194031891) 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, 84015 + ... + 153122.

It is an arithmetic number, because the mean of its divisors is an integer number (552768678).

Almost surely, 2^8194031898 is an apocalyptic number.

8194031898 is an abundant number, since it is smaller than the sum of its proper divisors (9494565798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8194031898 is a wasteful number, since it uses less digits than its factorization.

8194031898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237598.

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 8194031898 is about 90520.8920526085. The cubic root of 8194031898 is about 2016.0403347427.

The spelling of 8194031898 in words is "eight billion, one hundred ninety-four million, thirty-one thousand, eight hundred ninety-eight".