28593296 has 30 divisors (see below), whose sum is σ = 56673270. Its totient is φ = 13975168.

The previous prime is 28593293. The next prime is 28593317. The reversal of 28593296 is 69239582.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 883600 = 5264^2 + 940^2 .

It is a super-2 number, since 2×28593296² = 1635153152287232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28593293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34940 + ... + 35748.

It is an arithmetic number, because the mean of its divisors is an integer number (1889109).

Almost surely, 2^28593296 is an apocalyptic number.

It is an amenable number.

28593296 is a deficient number, since it is larger than the sum of its proper divisors (28079974).

28593296 is an equidigital number, since it uses as much as digits as its factorization.

28593296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 858 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 28593296 is about 5347.2699576513. The cubic root of 28593296 is about 305.7886817598.

The spelling of 28593296 in words is "twenty-eight million, five hundred ninety-three thousand, two hundred ninety-six".