28483868 has 24 divisors (see below), whose sum is σ = 57168384. Its totient is φ = 12164400.

The previous prime is 28483853. The next prime is 28483877. The reversal of 28483868 is 86838482.

It is a super-2 number, since 2×28483868² = 1622661472482848, which contains 22 as substring.

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, 7073 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (2382016).

Almost surely, 2^28483868 is an apocalyptic number.

28483868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28483868 is an abundant number, since it is smaller than the sum of its proper divisors (28684516).

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

28483868 is a wasteful number, since it uses less digits than its factorization.

28483868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3591 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 28483868 is about 5337.0280119182. The cubic root of 28483868 is about 305.3980934486.

The spelling of 28483868 in words is "twenty-eight million, four hundred eighty-three thousand, eight hundred sixty-eight".