189628596 has 72 divisors (see below), whose sum is σ = 494544960. Its totient is φ = 61236864.

The previous prime is 189628561. The next prime is 189628601. The reversal of 189628596 is 695826981.

It is a happy number.

189628596 is a `hidden beast` number, since 1 + 8 + 9 + 628 + 5 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154441 + ... + 155663.

It is an arithmetic number, because the mean of its divisors is an integer number (6868680).

Almost surely, 2^189628596 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 189628596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247272480).

189628596 is an abundant number, since it is smaller than the sum of its proper divisors (304916364).

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

189628596 is a wasteful number, since it uses less digits than its factorization.

189628596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1360 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 189628596 is about 13770.5699228463. The cubic root of 189628596 is about 574.5148734864.

The spelling of 189628596 in words is "one hundred eighty-nine million, six hundred twenty-eight thousand, five hundred ninety-six".