28761124 has 24 divisors (see below), whose sum is σ = 58314368. Its totient is φ = 12156480.

The previous prime is 28761113. The next prime is 28761137. The reversal of 28761124 is 42116782.

It is a congruent number.

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, 4992 + ... + 9079.

Almost surely, 2^28761124 is an apocalyptic number.

It is an amenable number.

28761124 is an abundant number, since it is smaller than the sum of its proper divisors (29553244).

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

28761124 is a wasteful number, since it uses less digits than its factorization.

28761124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155 (or 14153 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 28761124 is about 5362.9398654096. The cubic root of 28761124 is about 306.3857893456.

The spelling of 28761124 in words is "twenty-eight million, seven hundred sixty-one thousand, one hundred twenty-four".