189972060 has 96 divisors (see below), whose sum is σ = 553416192. Its totient is φ = 48648960.

The previous prime is 189972053. The next prime is 189972071. The reversal of 189972060 is 60279981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183745 + ... + 184775.

It is an arithmetic number, because the mean of its divisors is an integer number (5764752).

Almost surely, 2^189972060 is an apocalyptic number.

189972060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189972060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276708096).

189972060 is an abundant number, since it is smaller than the sum of its proper divisors (363444132).

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

189972060 is a wasteful number, since it uses less digits than its factorization.

189972060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 189972060 is about 13783.0352245070. The cubic root of 189972060 is about 574.8615268316.

The spelling of 189972060 in words is "one hundred eighty-nine million, nine hundred seventy-two thousand, sixty".