28250758 has 32 divisors (see below), whose sum is σ = 46621440. Its totient is φ = 12791520.

The previous prime is 28250731. The next prime is 28250773. The reversal of 28250758 is 85705282.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99685 + ... + 99967.

It is an arithmetic number, because the mean of its divisors is an integer number (1456920).

Almost surely, 2^28250758 is an apocalyptic number.

28250758 is a deficient number, since it is larger than the sum of its proper divisors (18370682).

28250758 is a wasteful number, since it uses less digits than its factorization.

28250758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 28250758 is about 5315.1442125308. The cubic root of 28250758 is about 304.5626913916.

It can be divided in two parts, 282 and 50758, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 28250758 in words is "twenty-eight million, two hundred fifty thousand, seven hundred fifty-eight".