28568452 has 12 divisors (see below), whose sum is σ = 54539856. Its totient is φ = 12985640.

The previous prime is 28568417. The next prime is 28568459. The reversal of 28568452 is 25486582.

It is not an unprimeable number, because it can be changed into a prime (28568459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324598 + ... + 324685.

It is an arithmetic number, because the mean of its divisors is an integer number (4544988).

Almost surely, 2^28568452 is an apocalyptic number.

28568452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28568452 is a deficient number, since it is larger than the sum of its proper divisors (25971404).

28568452 is a wasteful number, since it uses less digits than its factorization.

28568452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649298 (or 649296 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 28568452 is about 5344.9463982345. The cubic root of 28568452 is about 305.7000920503.

The spelling of 28568452 in words is "twenty-eight million, five hundred sixty-eight thousand, four hundred fifty-two".