189090670 has 8 divisors (see below), whose sum is σ = 340363224. Its totient is φ = 75636264.

The previous prime is 189090661. The next prime is 189090673. The reversal of 189090670 is 76090981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189090673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9454524 + ... + 9454543.

It is an arithmetic number, because the mean of its divisors is an integer number (42545403).

Almost surely, 2^189090670 is an apocalyptic number.

189090670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189090670 is a deficient number, since it is larger than the sum of its proper divisors (151272554).

189090670 is a wasteful number, since it uses less digits than its factorization.

189090670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18909074.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 189090670 is about 13751.0243254821. The cubic root of 189090670 is about 573.9711102506.

The spelling of 189090670 in words is "one hundred eighty-nine million, ninety thousand, six hundred seventy".