28233814 has 16 divisors (see below), whose sum is σ = 48469248. Its totient is φ = 12083112.

The previous prime is 28233749. The next prime is 28233823. The reversal of 28233814 is 41833282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17527 + ... + 19069.

It is an arithmetic number, because the mean of its divisors is an integer number (3029328).

Almost surely, 2^28233814 is an apocalyptic number.

28233814 is a deficient number, since it is larger than the sum of its proper divisors (20235434).

28233814 is a wasteful number, since it uses less digits than its factorization.

28233814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its digits is 9216, while the sum is 31.

The square root of 28233814 is about 5313.5500374044. The cubic root of 28233814 is about 304.5017898718.

The spelling of 28233814 in words is "twenty-eight million, two hundred thirty-three thousand, eight hundred fourteen".