189430694 has 8 divisors (see below), whose sum is σ = 300860568. Its totient is φ = 89143840.

The previous prime is 189430673. The next prime is 189430721. The reversal of 189430694 is 496034981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785712 + ... + 2785779.

It is an arithmetic number, because the mean of its divisors is an integer number (37607571).

Almost surely, 2^189430694 is an apocalyptic number.

189430694 is a deficient number, since it is larger than the sum of its proper divisors (111429874).

189430694 is a wasteful number, since it uses less digits than its factorization.

189430694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571510.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 189430694 is about 13763.3823604520. The cubic root of 189430694 is about 574.3149436928.

The spelling of 189430694 in words is "one hundred eighty-nine million, four hundred thirty thousand, six hundred ninety-four".