28268652 has 24 divisors (see below), whose sum is σ = 68088832. Its totient is φ = 9118800.

The previous prime is 28268623. The next prime is 28268677. The reversal of 28268652 is 25686282.

It is a self number, because there is not a number n which added to its sum of digits gives 28268652.

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, 37624 + ... + 38367.

Almost surely, 2^28268652 is an apocalyptic number.

It is an amenable number.

28268652 is an abundant number, since it is smaller than the sum of its proper divisors (39820180).

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

28268652 is a wasteful number, since it uses less digits than its factorization.

28268652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76029 (or 76027 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 28268652 is about 5316.8272494035. The cubic root of 28268652 is about 304.6269810479.

It can be divided in two parts, 28268 and 652, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 28268652 in words is "twenty-eight million, two hundred sixty-eight thousand, six hundred fifty-two".