189700394 has 32 divisors (see below), whose sum is σ = 311283840. Its totient is φ = 86184000.

The previous prime is 189700387. The next prime is 189700429. The reversal of 189700394 is 493007981.

It is a happy number.

189700394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828272 + ... + 828500.

It is an arithmetic number, because the mean of its divisors is an integer number (9727620).

Almost surely, 2^189700394 is an apocalyptic number.

189700394 is a deficient number, since it is larger than the sum of its proper divisors (121583446).

189700394 is a wasteful number, since it uses less digits than its factorization.

189700394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 189700394 is about 13773.1766125321. The cubic root of 189700394 is about 574.5873727734.

The spelling of 189700394 in words is "one hundred eighty-nine million, seven hundred thousand, three hundred ninety-four".