23828818 has 16 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 10832976.

The previous prime is 23828809. The next prime is 23828839. The reversal of 23828818 is 81882832.

It is a super-4 number, since 4×23828818⁴ (a number of 31 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5098 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^23828818 is an apocalyptic number.

23828818 is a deficient number, since it is larger than the sum of its proper divisors (15241262).

23828818 is a wasteful number, since it uses less digits than its factorization.

23828818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761.

The product of its digits is 49152, while the sum is 40.

The square root of 23828818 is about 4881.4770305718. The cubic root of 23828818 is about 287.7624793834.

The spelling of 23828818 in words is "twenty-three million, eight hundred twenty-eight thousand, eight hundred eighteen".