28883625 has 16 divisors (see below), whose sum is σ = 48062976. Its totient is φ = 15404400.

The previous prime is 28883611. The next prime is 28883671. The reversal of 28883625 is 52638882.

28883625 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 28883625 - 2¹⁶ = 28818089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38137 + ... + 38886.

It is an arithmetic number, because the mean of its divisors is an integer number (3003936).

Almost surely, 2^28883625 is an apocalyptic number.

28883625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28883625 is a deficient number, since it is larger than the sum of its proper divisors (19179351).

28883625 is an equidigital number, since it uses as much as digits as its factorization.

28883625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77041 (or 77031 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 28883625 is about 5374.3487977615. The cubic root of 28883625 is about 306.8201650950.

The spelling of 28883625 in words is "twenty-eight million, eight hundred eighty-three thousand, six hundred twenty-five".