189056870 has 8 divisors (see below), whose sum is σ = 340302384. Its totient is φ = 75622744.

The previous prime is 189056867. The next prime is 189056891. The reversal of 189056870 is 78650981.

It is a happy number.

189056870 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 9452834 + ... + 9452853.

It is an arithmetic number, because the mean of its divisors is an integer number (42537798).

Almost surely, 2^189056870 is an apocalyptic number.

189056870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189056870 is a deficient number, since it is larger than the sum of its proper divisors (151245514).

189056870 is a wasteful number, since it uses less digits than its factorization.

189056870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905694.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 189056870 is about 13749.7952712031. The cubic root of 189056870 is about 573.9369090575.

The spelling of 189056870 in words is "one hundred eighty-nine million, fifty-six thousand, eight hundred seventy".