189654528 has 160 divisors (see below), whose sum is σ = 597104640. Its totient is φ = 52346880.

The previous prime is 189654503. The next prime is 189654539. The reversal of 189654528 is 825456981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333028 + ... + 333596.

It is an arithmetic number, because the mean of its divisors is an integer number (3731904).

Almost surely, 2^189654528 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 189654528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298552320).

189654528 is an abundant number, since it is smaller than the sum of its proper divisors (407450112).

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

189654528 is an equidigital number, since it uses as much as digits as its factorization.

189654528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 612 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 189654528 is about 13771.5114638881. The cubic root of 189654528 is about 574.5410608881.

The spelling of 189654528 in words is "one hundred eighty-nine million, six hundred fifty-four thousand, five hundred twenty-eight".