28608250 has 64 divisors (see below), whose sum is σ = 59574528. Its totient is φ = 10200000.

The previous prime is 28608247. The next prime is 28608253. The reversal of 28608250 is 5280682.

It is an interprime number because it is at equal distance from previous prime (28608247) and next prime (28608253).

It is not an unprimeable number, because it can be changed into a prime (28608253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277699 + ... + 277801.

It is an arithmetic number, because the mean of its divisors is an integer number (930852).

Almost surely, 2^28608250 is an apocalyptic number.

28608250 is an abundant number, since it is smaller than the sum of its proper divisors (30966278).

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

28608250 is a wasteful number, since it uses less digits than its factorization.

28608250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 222 counting only the distinct ones).

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

The square root of 28608250 is about 5348.6680584983. The cubic root of 28608250 is about 305.8419805821.

The spelling of 28608250 in words is "twenty-eight million, six hundred eight thousand, two hundred fifty".