189628653 has 12 divisors (see below), whose sum is σ = 254909760. Its totient is φ = 125391672.

The previous prime is 189628639. The next prime is 189628661. The reversal of 189628653 is 356826981.

It is a happy number.

189628653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189628653 - 2⁹ = 189628141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189628603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46428 + ... + 50346.

It is an arithmetic number, because the mean of its divisors is an integer number (21242480).

Almost surely, 2^189628653 is an apocalyptic number.

It is an amenable number.

189628653 is a deficient number, since it is larger than the sum of its proper divisors (65281107).

189628653 is an equidigital number, since it uses as much as digits as its factorization.

189628653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4049 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 189628653 is about 13770.5719924773. The cubic root of 189628653 is about 574.5149310504.

The spelling of 189628653 in words is "one hundred eighty-nine million, six hundred twenty-eight thousand, six hundred fifty-three".