189622363 has 4 divisors (see below), whose sum is σ = 216711280. Its totient is φ = 162533448.

The previous prime is 189622339. The next prime is 189622399. The reversal of 189622363 is 363226981.

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

It is not a de Polignac number, because 189622363 - 2¹³ = 189614171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189622463) 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, 13544448 + ... + 13544461.

It is an arithmetic number, because the mean of its divisors is an integer number (54177820).

Almost surely, 2^189622363 is an apocalyptic number.

189622363 is a deficient number, since it is larger than the sum of its proper divisors (27088917).

189622363 is an equidigital number, since it uses as much as digits as its factorization.

189622363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27088916.

The product of its digits is 93312, while the sum is 40.

The square root of 189622363 is about 13770.3436050086. The cubic root of 189622363 is about 574.5085787423.

The spelling of 189622363 in words is "one hundred eighty-nine million, six hundred twenty-two thousand, three hundred sixty-three".