28768582 has 8 divisors (see below), whose sum is σ = 43240176. Its totient is φ = 14355192.

The previous prime is 28768567. The next prime is 28768631. The reversal of 28768582 is 28586782.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13293 + ... + 15304.

It is an arithmetic number, because the mean of its divisors is an integer number (5405022).

Almost surely, 2^28768582 is an apocalyptic number.

28768582 is a deficient number, since it is larger than the sum of its proper divisors (14471594).

28768582 is a wasteful number, since it uses less digits than its factorization.

28768582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29102.

The product of its digits is 430080, while the sum is 46.

The square root of 28768582 is about 5363.6351479197. The cubic root of 28768582 is about 306.4122698561.

The spelling of 28768582 in words is "twenty-eight million, seven hundred sixty-eight thousand, five hundred eighty-two".