28860250 has 32 divisors (see below), whose sum is σ = 54864576. Its totient is φ = 11365200.

The previous prime is 28860233. The next prime is 28860253. The reversal of 28860250 is 5206882.

It is a super-3 number, since 3×28860250³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28860253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15889 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (1714518).

Almost surely, 2^28860250 is an apocalyptic number.

28860250 is a deficient number, since it is larger than the sum of its proper divisors (26004326).

28860250 is a wasteful number, since it uses less digits than its factorization.

28860250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28860250 is about 5372.1736755246. The cubic root of 28860250 is about 306.7373747374.

The spelling of 28860250 in words is "twenty-eight million, eight hundred sixty thousand, two hundred fifty".