28534286 has 8 divisors (see below), whose sum is σ = 46692504. Its totient is φ = 12970120.

The previous prime is 28534277. The next prime is 28534301. The reversal of 28534286 is 68243582.

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

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 3 ways as a sum of consecutive naturals, for example, 648485 + ... + 648528.

It is an arithmetic number, because the mean of its divisors is an integer number (5836563).

Almost surely, 2^28534286 is an apocalyptic number.

28534286 is a deficient number, since it is larger than the sum of its proper divisors (18158218).

28534286 is a wasteful number, since it uses less digits than its factorization.

28534286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297026.

The product of its digits is 92160, while the sum is 38.

The square root of 28534286 is about 5341.7493389338. The cubic root of 28534286 is about 305.5781776652.

The spelling of 28534286 in words is "twenty-eight million, five hundred thirty-four thousand, two hundred eighty-six".