28814375 has 10 divisors (see below), whose sum is σ = 36007224. Its totient is φ = 23051000.

The previous prime is 28814333. The next prime is 28814413. The reversal of 28814375 is 57341882.

It is not a de Polignac number, because 28814375 - 2⁶ = 28814311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22427 + ... + 23676.

Almost surely, 2^28814375 is an apocalyptic number.

28814375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28814375 is a deficient number, since it is larger than the sum of its proper divisors (7192849).

28814375 is an frugal number, since it uses more digits than its factorization.

28814375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46123 (or 46108 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 28814375 is about 5367.9022904669. The cubic root of 28814375 is about 306.5747630770.

The spelling of 28814375 in words is "twenty-eight million, eight hundred fourteen thousand, three hundred seventy-five".