28903275 has 36 divisors (see below), whose sum is σ = 54501720. Its totient is φ = 14601600.

The previous prime is 28903241. The next prime is 28903279. The reversal of 28903275 is 57230982.

It is a happy number.

It is not a de Polignac number, because 28903275 - 2⁶ = 28903211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28903279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 895 + ... + 7655.

Almost surely, 2^28903275 is an apocalyptic number.

28903275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28903275 is a deficient number, since it is larger than the sum of its proper divisors (25598445).

28903275 is a wasteful number, since it uses less digits than its factorization.

28903275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796 (or 6788 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 28903275 is about 5376.1766154024. The cubic root of 28903275 is about 306.8897275726.

The spelling of 28903275 in words is "twenty-eight million, nine hundred three thousand, two hundred seventy-five".