189944298 has 32 divisors (see below), whose sum is σ = 446929920. Its totient is φ = 59590080.

The previous prime is 189944291. The next prime is 189944309. The reversal of 189944298 is 892449981.

189944298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (189944291) 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, 102538 + ... + 104373.

It is an arithmetic number, because the mean of its divisors is an integer number (13966560).

Almost surely, 2^189944298 is an apocalyptic number.

189944298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

189944298 is an abundant number, since it is smaller than the sum of its proper divisors (256985622).

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

189944298 is a wasteful number, since it uses less digits than its factorization.

189944298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206939 (or 206933 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 189944298 is about 13782.0280800759. The cubic root of 189944298 is about 574.8335225676.

The spelling of 189944298 in words is "one hundred eighty-nine million, nine hundred forty-four thousand, two hundred ninety-eight".