189613528 has 16 divisors (see below), whose sum is σ = 382873680. Its totient is φ = 87513888.

The previous prime is 189613519. The next prime is 189613537. The reversal of 189613528 is 825316981.

189613528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (189613519) and next prime (189613537).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911500 + ... + 911707.

It is an arithmetic number, because the mean of its divisors is an integer number (23929605).

Almost surely, 2^189613528 is an apocalyptic number.

It is an amenable number.

189613528 is an abundant number, since it is smaller than the sum of its proper divisors (193260152).

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

189613528 is a wasteful number, since it uses less digits than its factorization.

189613528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823226 (or 1823222 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 189613528 is about 13770.0228031765. The cubic root of 189613528 is about 574.4996559865.

The spelling of 189613528 in words is "one hundred eighty-nine million, six hundred thirteen thousand, five hundred twenty-eight".