189246188 has 6 divisors (see below), whose sum is σ = 331180836. Its totient is φ = 94623092.

The previous prime is 189246181. The next prime is 189246203. The reversal of 189246188 is 881642981.

It is a happy number.

It is a super-3 number, since 3×189246188³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (189246181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23655770 + ... + 23655777.

It is an arithmetic number, because the mean of its divisors is an integer number (55196806).

Almost surely, 2^189246188 is an apocalyptic number.

It is an amenable number.

189246188 is a deficient number, since it is larger than the sum of its proper divisors (141934648).

189246188 is a wasteful number, since it uses less digits than its factorization.

189246188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47311551 (or 47311549 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The square root of 189246188 is about 13756.6779420033. The cubic root of 189246188 is about 574.1284216943.

The spelling of 189246188 in words is "one hundred eighty-nine million, two hundred forty-six thousand, one hundred eighty-eight".