28459452 has 24 divisors (see below), whose sum is σ = 75892096. Its totient is φ = 8131248.

The previous prime is 28459451. The next prime is 28459517. The reversal of 28459452 is 25495482.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28459452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28459451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169318 + ... + 169485.

Almost surely, 2^28459452 is an apocalyptic number.

It is an amenable number.

28459452 is an abundant number, since it is smaller than the sum of its proper divisors (47432644).

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

28459452 is a wasteful number, since it uses less digits than its factorization.

28459452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338817 (or 338815 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 28459452 is about 5334.7401061345. The cubic root of 28459452 is about 305.3108074168.

The spelling of 28459452 in words is "twenty-eight million, four hundred fifty-nine thousand, four hundred fifty-two".