28233076 has 12 divisors (see below), whose sum is σ = 49621572. Its totient is φ = 14055488.

The previous prime is 28233061. The next prime is 28233077. The reversal of 28233076 is 67033282.

It can be written as a sum of positive squares in 2 ways, for example, as 8643600 + 19589476 = 2940^2 + 4426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28233077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14215 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (4135131).

Almost surely, 2^28233076 is an apocalyptic number.

It is an amenable number.

28233076 is a deficient number, since it is larger than the sum of its proper divisors (21388496).

28233076 is a wasteful number, since it uses less digits than its factorization.

28233076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530 (or 30528 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28233076 is about 5313.4805918531. The cubic root of 28233076 is about 304.4991367377.

The spelling of 28233076 in words is "twenty-eight million, two hundred thirty-three thousand, seventy-six".