189033672 has 16 divisors (see below), whose sum is σ = 472584240. Its totient is φ = 63011216.

The previous prime is 189033667. The next prime is 189033673. The reversal of 189033672 is 276330981.

It is a self number, because there is not a number n which added to its sum of digits gives 189033672.

It is not an unprimeable number, because it can be changed into a prime (189033673) 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, 3938178 + ... + 3938225.

It is an arithmetic number, because the mean of its divisors is an integer number (29536515).

Almost surely, 2^189033672 is an apocalyptic number.

189033672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189033672 is an abundant number, since it is smaller than the sum of its proper divisors (283550568).

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

189033672 is a wasteful number, since it uses less digits than its factorization.

189033672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876412 (or 7876408 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 189033672 is about 13748.9516691274. The cubic root of 189033672 is about 573.9134333470.

The spelling of 189033672 in words is "one hundred eighty-nine million, thirty-three thousand, six hundred seventy-two".