28103283 has 24 divisors (see below), whose sum is σ = 43898400. Its totient is φ = 17222400.

The previous prime is 28103279. The next prime is 28103287. The reversal of 28103283 is 38230182.

It is an interprime number because it is at equal distance from previous prime (28103279) and next prime (28103287).

It is not a de Polignac number, because 28103283 - 2² = 28103279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28103287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46618 + ... + 47216.

It is an arithmetic number, because the mean of its divisors is an integer number (1829100).

Almost surely, 2^28103283 is an apocalyptic number.

28103283 is a deficient number, since it is larger than the sum of its proper divisors (15795117).

28103283 is a wasteful number, since it uses less digits than its factorization.

28103283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28103283 is about 5301.2529651017. The cubic root of 28103283 is about 304.0318057385.

The spelling of 28103283 in words is "twenty-eight million, one hundred three thousand, two hundred eighty-three".