28563334 has 8 divisors (see below), whose sum is σ = 44003088. Its totient is φ = 13895640.

The previous prime is 28563331. The next prime is 28563361. The reversal of 28563334 is 43336582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28563334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28563331) 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, 192922 + ... + 193069.

It is an arithmetic number, because the mean of its divisors is an integer number (5500386).

Almost surely, 2^28563334 is an apocalyptic number.

28563334 is a deficient number, since it is larger than the sum of its proper divisors (15439754).

28563334 is a wasteful number, since it uses less digits than its factorization.

28563334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386030.

The product of its digits is 51840, while the sum is 34.

The square root of 28563334 is about 5344.4676067874. The cubic root of 28563334 is about 305.6818357057.

The spelling of 28563334 in words is "twenty-eight million, five hundred sixty-three thousand, three hundred thirty-four".