189716494 has 16 divisors (see below), whose sum is σ = 313936560. Its totient is φ = 85264960.

The previous prime is 189716477. The next prime is 189716519. The reversal of 189716494 is 494617981.

189716494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 46489 + ... + 50404.

It is an arithmetic number, because the mean of its divisors is an integer number (19621035).

Almost surely, 2^189716494 is an apocalyptic number.

189716494 is a deficient number, since it is larger than the sum of its proper divisors (124220066).

189716494 is a wasteful number, since it uses less digits than its factorization.

189716494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96995.

The product of its digits is 435456, while the sum is 49.

The square root of 189716494 is about 13773.7610695118. The cubic root of 189716494 is about 574.6036275191.

The spelling of 189716494 in words is "one hundred eighty-nine million, seven hundred sixteen thousand, four hundred ninety-four".