189652863 has 4 divisors (see below), whose sum is σ = 252870488. Its totient is φ = 126435240.

The previous prime is 189652831. The next prime is 189652873. The reversal of 189652863 is 368256981.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 189652863 - 2⁵ = 189652831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189652873) 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, 31608808 + ... + 31608813.

It is an arithmetic number, because the mean of its divisors is an integer number (63217622).

Almost surely, 2^189652863 is an apocalyptic number.

189652863 is a deficient number, since it is larger than the sum of its proper divisors (63217625).

189652863 is an equidigital number, since it uses as much as digits as its factorization.

189652863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63217624.

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

The square root of 189652863 is about 13771.4510128744. The cubic root of 189652863 is about 574.5393795614.

The spelling of 189652863 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, eight hundred sixty-three".