913722198 has 64 divisors (see below), whose sum is σ = 1997568000. Its totient is φ = 277530624.

The previous prime is 913722197. The next prime is 913722211. The reversal of 913722198 is 891227319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913722191) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1583286 + ... + 1583862.

It is an arithmetic number, because the mean of its divisors is an integer number (31212000).

Almost surely, 2^913722198 is an apocalyptic number.

913722198 is an abundant number, since it is smaller than the sum of its proper divisors (1083845802).

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

913722198 is a wasteful number, since it uses less digits than its factorization.

913722198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 54432, while the sum is 42.

The square root of 913722198 is about 30227.8381297770. The cubic root of 913722198 is about 970.3715578021.

It can be divided in two parts, 9137221 and 98, that added together give a palindrome (9137319).

The spelling of 913722198 in words is "nine hundred thirteen million, seven hundred twenty-two thousand, one hundred ninety-eight".