189518948 has 24 divisors (see below), whose sum is σ = 339186624. Its totient is φ = 92628000.

The previous prime is 189518929. The next prime is 189518969. The reversal of 189518948 is 849815981.

It is a happy number.

189518948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189518948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38423 + ... + 43073.

It is an arithmetic number, because the mean of its divisors is an integer number (14132776).

Almost surely, 2^189518948 is an apocalyptic number.

It is an amenable number.

189518948 is a deficient number, since it is larger than the sum of its proper divisors (149667676).

189518948 is a wasteful number, since it uses less digits than its factorization.

189518948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883 (or 4881 counting only the distinct ones).

The product of its digits is 829440, while the sum is 53.

The square root of 189518948 is about 13766.5881030849. The cubic root of 189518948 is about 574.4041191773.

The spelling of 189518948 in words is "one hundred eighty-nine million, five hundred eighteen thousand, nine hundred forty-eight".