189304970 has 16 divisors (see below), whose sum is σ = 341065728. Its totient is φ = 75651600.

The previous prime is 189304943. The next prime is 189304991. The reversal of 189304970 is 79403981.

It is a happy 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, 3287 + ... + 19733.

It is an arithmetic number, because the mean of its divisors is an integer number (21316608).

Almost surely, 2^189304970 is an apocalyptic number.

189304970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189304970 is a deficient number, since it is larger than the sum of its proper divisors (151760758).

189304970 is a wasteful number, since it uses less digits than its factorization.

189304970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17605.

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

The square root of 189304970 is about 13758.8142657716. The cubic root of 189304970 is about 574.1878591280.

The spelling of 189304970 in words is "one hundred eighty-nine million, three hundred four thousand, nine hundred seventy".