189520968 has 128 divisors (see below), whose sum is σ = 589317120. Its totient is φ = 49455360.

The previous prime is 189520931. The next prime is 189520973. The reversal of 189520968 is 869025981.

It is a happy number.

189520968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 233283 + ... + 234093.

It is an arithmetic number, because the mean of its divisors is an integer number (4604040).

Almost surely, 2^189520968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189520968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294658560).

189520968 is an abundant number, since it is smaller than the sum of its proper divisors (399796152).

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

189520968 is a wasteful number, since it uses less digits than its factorization.

189520968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 189520968 is about 13766.6614689256. The cubic root of 189520968 is about 574.4061599446.

The spelling of 189520968 in words is "one hundred eighty-nine million, five hundred twenty thousand, nine hundred sixty-eight".