28808452 has 12 divisors (see below), whose sum is σ = 51587536. Its totient is φ = 14069160.

The previous prime is 28808449. The next prime is 28808453. The reversal of 28808452 is 25480882.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28808453) 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, 83574 + ... + 83917.

Almost surely, 2^28808452 is an apocalyptic number.

It is an amenable number.

28808452 is a deficient number, since it is larger than the sum of its proper divisors (22779084).

28808452 is a wasteful number, since it uses less digits than its factorization.

28808452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167538 (or 167536 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 28808452 is about 5367.3505568390. The cubic root of 28808452 is about 306.5537554289.

The spelling of 28808452 in words is "twenty-eight million, eight hundred eight thousand, four hundred fifty-two".