28594250 has 16 divisors (see below), whose sum is σ = 53528904. Its totient is φ = 11437600.

The previous prime is 28594249. The next prime is 28594277. The reversal of 28594250 is 5249582.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1792921 + 26801329 = 1339^2 + 5177^2 .

It is a super-2 number, since 2×28594250² = 1635262266125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28594250.

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, 56939 + ... + 57438.

Almost surely, 2^28594250 is an apocalyptic number.

28594250 is a deficient number, since it is larger than the sum of its proper divisors (24934654).

28594250 is a wasteful number, since it uses less digits than its factorization.

28594250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114394 (or 114384 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 28594250 is about 5347.3591613057. The cubic root of 28594250 is about 305.7920825471.

The spelling of 28594250 in words is "twenty-eight million, five hundred ninety-four thousand, two hundred fifty".