28468582 has 8 divisors (see below), whose sum is σ = 43117776. Its totient is φ = 14095992.

The previous prime is 28468553. The next prime is 28468589. The reversal of 28468582 is 28586482.

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

It is a super-2 number, since 2×28468582² = 1620920322181448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468589) by changing a digit.

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, 68893 + ... + 69304.

It is an arithmetic number, because the mean of its divisors is an integer number (5389722).

Almost surely, 2^28468582 is an apocalyptic number.

28468582 is a deficient number, since it is larger than the sum of its proper divisors (14649194).

28468582 is a wasteful number, since it uses less digits than its factorization.

28468582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138302.

The product of its digits is 245760, while the sum is 43.

The square root of 28468582 is about 5335.5957493049. The cubic root of 28468582 is about 305.3434525715.

The spelling of 28468582 in words is "twenty-eight million, four hundred sixty-eight thousand, five hundred eighty-two".