28383093 has 12 divisors (see below), whose sum is σ = 43155840. Its totient is φ = 17926056.

The previous prime is 28383067. The next prime is 28383097. The reversal of 28383093 is 39038382.

It is not a de Polignac number, because 28383093 - 2⁹ = 28382581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28383097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82821 + ... + 83162.

It is an arithmetic number, because the mean of its divisors is an integer number (3596320).

Almost surely, 2^28383093 is an apocalyptic number.

It is an amenable number.

28383093 is a deficient number, since it is larger than the sum of its proper divisors (14772747).

28383093 is a wasteful number, since it uses less digits than its factorization.

28383093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166008 (or 166005 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 28383093 is about 5327.5785306272. The cubic root of 28383093 is about 305.0375050179.

The spelling of 28383093 in words is "twenty-eight million, three hundred eighty-three thousand, ninety-three".