28080582 has 8 divisors (see below), whose sum is σ = 56161176. Its totient is φ = 9360192.

The previous prime is 28080553. The next prime is 28080587. The reversal of 28080582 is 28508082.

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

28080582 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080587) 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, 2340043 + ... + 2340054.

It is an arithmetic number, because the mean of its divisors is an integer number (7020147).

Almost surely, 2^28080582 is an apocalyptic number.

28080582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28080582 is a wasteful number, since it uses less digits than its factorization.

28080582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680102.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 28080582 is about 5299.1114349483. Note that the first 3 decimals coincide. The cubic root of 28080582 is about 303.9499210560.

The spelling of 28080582 in words is "twenty-eight million, eighty thousand, five hundred eighty-two".