189322446 has 16 divisors (see below), whose sum is σ = 382322304. Its totient is φ = 62494584.

The previous prime is 189322429. The next prime is 189322457. The reversal of 189322446 is 644223981.

189322446 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 7 ways as a sum of consecutive naturals, for example, 152556 + ... + 153791.

It is an arithmetic number, because the mean of its divisors is an integer number (23895144).

Almost surely, 2^189322446 is an apocalyptic number.

189322446 is an abundant number, since it is smaller than the sum of its proper divisors (192999858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189322446 is a wasteful number, since it uses less digits than its factorization.

189322446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306455.

The product of its digits is 82944, while the sum is 39.

The square root of 189322446 is about 13759.4493349116. The cubic root of 189322446 is about 574.2055276169.

The spelling of 189322446 in words is "one hundred eighty-nine million, three hundred twenty-two thousand, four hundred forty-six".