189476670 has 64 divisors (see below), whose sum is σ = 466373376. Its totient is φ = 49251840.

The previous prime is 189476659. The next prime is 189476687. The reversal of 189476670 is 76674981.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214630 + ... + 215510.

It is an arithmetic number, because the mean of its divisors is an integer number (7287084).

Almost surely, 2^189476670 is an apocalyptic number.

189476670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189476670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233186688).

189476670 is an abundant number, since it is smaller than the sum of its proper divisors (276896706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189476670 is a wasteful number, since it uses less digits than its factorization.

189476670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 189476670 is about 13765.0524880946. The cubic root of 189476670 is about 574.3614031963.

The spelling of 189476670 in words is "one hundred eighty-nine million, four hundred seventy-six thousand, six hundred seventy".