28268334 has 24 divisors (see below), whose sum is σ = 63911952. Its totient is φ = 9012960.

The previous prime is 28268323. The next prime is 28268351. The reversal of 28268334 is 43386282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33727 + ... + 34554.

It is an arithmetic number, because the mean of its divisors is an integer number (2662998).

Almost surely, 2^28268334 is an apocalyptic number.

28268334 is an abundant number, since it is smaller than the sum of its proper divisors (35643618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28268334 is a wasteful number, since it uses less digits than its factorization.

28268334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68312 (or 68309 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28268334 is about 5316.7973442666. The cubic root of 28268334 is about 304.6258387726.

The spelling of 28268334 in words is "twenty-eight million, two hundred sixty-eight thousand, three hundred thirty-four".