189620468 has 12 divisors (see below), whose sum is σ = 333325440. Its totient is φ = 94384632.

The previous prime is 189620443. The next prime is 189620491. The reversal of 189620468 is 864026981.

It is a happy number.

189620468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105398 + ... + 107181.

It is an arithmetic number, because the mean of its divisors is an integer number (27777120).

Almost surely, 2^189620468 is an apocalyptic number.

It is an amenable number.

189620468 is a deficient number, since it is larger than the sum of its proper divisors (143704972).

189620468 is a wasteful number, since it uses less digits than its factorization.

189620468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212806 (or 212804 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 189620468 is about 13770.2747975485. The cubic root of 189620468 is about 574.5066649431.

The spelling of 189620468 in words is "one hundred eighty-nine million, six hundred twenty thousand, four hundred sixty-eight".