189948000 has 192 divisors, whose sum is σ = 679311360. Its totient is φ = 46016000.

The previous prime is 189947993. The next prime is 189948013. The reversal of 189948000 is 849981.

It is a self number, because there is not a number n which added to its sum of digits gives 189948000.

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, 131281 + ... + 132719.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^189948000 is an apocalyptic number.

189948000 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 189948000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339655680).

189948000 is an abundant number, since it is smaller than the sum of its proper divisors (489363360).

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

189948000 is a wasteful number, since it uses less digits than its factorization.

189948000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 189948000 is about 13782.1623847639. The cubic root of 189948000 is about 574.8372570306.

The spelling of 189948000 in words is "one hundred eighty-nine million, nine hundred forty-eight thousand".