189074893 has 8 divisors (see below), whose sum is σ = 218514240. Its totient is φ = 160242720.

The previous prime is 189074857. The next prime is 189074923. The reversal of 189074893 is 398470981.

It is a happy number.

189074893 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 189074893 - 2²⁵ = 155520461 is a prime.

It is a super-2 number, since 2×189074893² = 71498630325922898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189074393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151123 + ... + 152368.

It is an arithmetic number, because the mean of its divisors is an integer number (27314280).

Almost surely, 2^189074893 is an apocalyptic number.

It is an amenable number.

189074893 is a deficient number, since it is larger than the sum of its proper divisors (29439347).

189074893 is an equidigital number, since it uses as much as digits as its factorization.

189074893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303587.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 189074893 is about 13750.4506471606. The cubic root of 189074893 is about 573.9551464909.

The spelling of 189074893 in words is "one hundred eighty-nine million, seventy-four thousand, eight hundred ninety-three".