189828320 has 48 divisors (see below), whose sum is σ = 489243888. Its totient is φ = 69027840.

The previous prime is 189828313. The next prime is 189828371. The reversal of 189828320 is 23828981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52169 + ... + 55688.

It is an arithmetic number, because the mean of its divisors is an integer number (10192581).

Almost surely, 2^189828320 is an apocalyptic number.

189828320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189828320 is an abundant number, since it is smaller than the sum of its proper divisors (299415568).

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

189828320 is a wasteful number, since it uses less digits than its factorization.

189828320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107883 (or 107875 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 189828320 is about 13777.8198565666. The cubic root of 189828320 is about 574.7165029702.

The spelling of 189828320 in words is "one hundred eighty-nine million, eight hundred twenty-eight thousand, three hundred twenty".