28353875 has 32 divisors (see below), whose sum is σ = 40906944. Its totient is φ = 19392000.

The previous prime is 28353863. The next prime is 28353881. The reversal of 28353875 is 57835382.

28353875 = T₁₈₆ + T₁₈₇ + ... + T₅₆₀.

It is not a de Polignac number, because 28353875 - 2⁴ = 28353859 is a prime.

It is a Duffinian number.

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, 22769 + ... + 23981.

It is an arithmetic number, because the mean of its divisors is an integer number (1278342).

Almost surely, 2^28353875 is an apocalyptic number.

28353875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28353875 is a deficient number, since it is larger than the sum of its proper divisors (12553069).

28353875 is a wasteful number, since it uses less digits than its factorization.

28353875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1246 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 28353875 is about 5324.8356782158. The cubic root of 28353875 is about 304.9327989543.

The spelling of 28353875 in words is "twenty-eight million, three hundred fifty-three thousand, eight hundred seventy-five".