28367252 has 6 divisors (see below), whose sum is σ = 49642698. Its totient is φ = 14183624.

The previous prime is 28367239. The next prime is 28367281. The reversal of 28367252 is 25276382.

It can be written as a sum of positive squares in only one way, i.e., 23367556 + 4999696 = 4834^2 + 2236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545903 + ... + 3545910.

It is an arithmetic number, because the mean of its divisors is an integer number (8273783).

Almost surely, 2^28367252 is an apocalyptic number.

It is an amenable number.

28367252 is a deficient number, since it is larger than the sum of its proper divisors (21275446).

28367252 is a wasteful number, since it uses less digits than its factorization.

28367252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091817 (or 7091815 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 28367252 is about 5326.0916251976. The cubic root of 28367252 is about 304.9807458955.

The spelling of 28367252 in words is "twenty-eight million, three hundred sixty-seven thousand, two hundred fifty-two".