28764124 has 12 divisors (see below), whose sum is σ = 51565248. Its totient is φ = 14031200.

The previous prime is 28764091. The next prime is 28764139. The reversal of 28764124 is 42146782.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28764124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87532 + ... + 87859.

It is an arithmetic number, because the mean of its divisors is an integer number (4297104).

Almost surely, 2^28764124 is an apocalyptic number.

It is an amenable number.

28764124 is a deficient number, since it is larger than the sum of its proper divisors (22801124).

28764124 is a wasteful number, since it uses less digits than its factorization.

28764124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175436 (or 175434 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 28764124 is about 5363.2195554536. The cubic root of 28764124 is about 306.3964417505.

It can be divided in two parts, 2876412 and 4, that added together give a square (2876416 = 1696²).

The spelling of 28764124 in words is "twenty-eight million, seven hundred sixty-four thousand, one hundred twenty-four".