189830274 has 16 divisors (see below), whose sum is σ = 387739008. Its totient is φ = 61930352.

The previous prime is 189830269. The next prime is 189830297. The reversal of 189830274 is 472038981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336297 + ... + 336860.

It is an arithmetic number, because the mean of its divisors is an integer number (24233688).

Almost surely, 2^189830274 is an apocalyptic number.

189830274 is an abundant number, since it is smaller than the sum of its proper divisors (197908734).

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

189830274 is a wasteful number, since it uses less digits than its factorization.

189830274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673209.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 189830274 is about 13777.8907674578. The cubic root of 189830274 is about 574.7184749137.

The spelling of 189830274 in words is "one hundred eighty-nine million, eight hundred thirty thousand, two hundred seventy-four".