28453875 has 32 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 14511200.

The previous prime is 28453861. The next prime is 28453927. The reversal of 28453875 is 57835482.

It is not a de Polignac number, because 28453875 - 2⁹ = 28453363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6976 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (1544400).

Almost surely, 2^28453875 is an apocalyptic number.

28453875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28453875 is a deficient number, since it is larger than the sum of its proper divisors (20966925).

28453875 is a wasteful number, since it uses less digits than its factorization.

28453875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 3330 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 28453875 is about 5334.2173746483. The cubic root of 28453875 is about 305.2908629052.

The spelling of 28453875 in words is "twenty-eight million, four hundred fifty-three thousand, eight hundred seventy-five".