28835625 has 80 divisors (see below), whose sum is σ = 59480960. Its totient is φ = 12168000.

The previous prime is 28835593. The next prime is 28835627. The reversal of 28835625 is 52653882.

It is not a de Polignac number, because 28835625 - 2⁵ = 28835593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (28835627) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2218119 + ... + 2218131.

It is an arithmetic number, because the mean of its divisors is an integer number (743512).

Almost surely, 2^28835625 is an apocalyptic number.

28835625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28835625 is an abundant number, since it is smaller than the sum of its proper divisors (30645335).

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

28835625 is an frugal number, since it uses more digits than its factorization.

28835625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 28 counting only the distinct ones).

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

The square root of 28835625 is about 5369.8812836039. The cubic root of 28835625 is about 306.6501087206.

The spelling of 28835625 in words is "twenty-eight million, eight hundred thirty-five thousand, six hundred twenty-five".