183997828 has 24 divisors (see below), whose sum is σ = 368351424. Its totient is φ = 78780000.

The previous prime is 183997789. The next prime is 183997841. The reversal of 183997828 is 828799381.

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, 33903 + ... + 38953.

It is an arithmetic number, because the mean of its divisors is an integer number (15347976).

Almost surely, 2^183997828 is an apocalyptic number.

It is an amenable number.

183997828 is an abundant number, since it is smaller than the sum of its proper divisors (184353596).

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

183997828 is a wasteful number, since it uses less digits than its factorization.

183997828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363 (or 6361 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 183997828 is about 13564.5799050321. The cubic root of 183997828 is about 568.7711579618.

The spelling of 183997828 in words is "one hundred eighty-three million, nine hundred ninety-seven thousand, eight hundred twenty-eight".