189698828 has 12 divisors (see below), whose sum is σ = 362152392. Its totient is φ = 86226720.

The previous prime is 189698813. The next prime is 189698833. The reversal of 189698828 is 828896981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155625 + ... + 2155712.

It is an arithmetic number, because the mean of its divisors is an integer number (30179366).

Almost surely, 2^189698828 is an apocalyptic number.

It is an amenable number.

189698828 is a deficient number, since it is larger than the sum of its proper divisors (172453564).

189698828 is a wasteful number, since it uses less digits than its factorization.

189698828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311352 (or 4311350 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 59.

The square root of 189698828 is about 13773.1197627843. The cubic root of 189698828 is about 574.5857916727.

The spelling of 189698828 in words is "one hundred eighty-nine million, six hundred ninety-eight thousand, eight hundred twenty-eight".