28327450 has 12 divisors (see below), whose sum is σ = 52689150. Its totient is φ = 11330960.

The previous prime is 28327447. The next prime is 28327463. The reversal of 28327450 is 5472382.

It can be written as a sum of positive squares in 3 ways, for example, as 18896409 + 9431041 = 4347^2 + 3071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283225 + ... + 283324.

Almost surely, 2^28327450 is an apocalyptic number.

28327450 is a deficient number, since it is larger than the sum of its proper divisors (24361700).

28327450 is a wasteful number, since it uses less digits than its factorization.

28327450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566561 (or 566556 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 28327450 is about 5322.3538025952. The cubic root of 28327450 is about 304.8380399636.

The spelling of 28327450 in words is "twenty-eight million, three hundred twenty-seven thousand, four hundred fifty".