189628883 has 4 divisors (see below), whose sum is σ = 196167840. Its totient is φ = 183089928.

The previous prime is 189628877. The next prime is 189628903. The reversal of 189628883 is 388826981.

189628883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388826981 = 73 ⋅5326397.

It is a cyclic number.

It is not a de Polignac number, because 189628883 - 2⁶ = 189628819 is a prime.

It is a super-2 number, since 2×189628883² = 71918226535655378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189628823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269435 + ... + 3269492.

It is an arithmetic number, because the mean of its divisors is an integer number (49041960).

Almost surely, 2^189628883 is an apocalyptic number.

189628883 is a deficient number, since it is larger than the sum of its proper divisors (6538957).

189628883 is an equidigital number, since it uses as much as digits as its factorization.

189628883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538956.

The product of its digits is 1327104, while the sum is 53.

The square root of 189628883 is about 13770.5803436166. The cubic root of 189628883 is about 574.5151633261.

The spelling of 189628883 in words is "one hundred eighty-nine million, six hundred twenty-eight thousand, eight hundred eighty-three".