28668124 has 24 divisors (see below), whose sum is σ = 52889760. Its totient is φ = 13575744.

The previous prime is 28668113. The next prime is 28668151. The reversal of 28668124 is 42186682.

It is a super-2 number, since 2×28668124² = 1643722667358752, which contains 22 as substring.

It is a congruent number.

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, 3817 + ... + 8479.

It is an arithmetic number, because the mean of its divisors is an integer number (2203740).

Almost surely, 2^28668124 is an apocalyptic number.

It is an amenable number.

28668124 is a deficient number, since it is larger than the sum of its proper divisors (24221636).

28668124 is a wasteful number, since it uses less digits than its factorization.

28668124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 28668124 is about 5354.2622274222. The cubic root of 28668124 is about 306.0551967298.

The spelling of 28668124 in words is "twenty-eight million, six hundred sixty-eight thousand, one hundred twenty-four".