28587486 has 8 divisors (see below), whose sum is σ = 57174984. Its totient is φ = 9529160.

The previous prime is 28587463. The next prime is 28587491. The reversal of 28587486 is 68478582.

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

28587486 is an admirable number.

It is a Curzon number.

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, 2382285 + ... + 2382296.

It is an arithmetic number, because the mean of its divisors is an integer number (7146873).

Almost surely, 2^28587486 is an apocalyptic number.

28587486 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.

28587486 is a wasteful number, since it uses less digits than its factorization.

28587486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764586.

The product of its digits is 860160, while the sum is 48.

The square root of 28587486 is about 5346.7266621738. The cubic root of 28587486 is about 305.7679688324.

The spelling of 28587486 in words is "twenty-eight million, five hundred eighty-seven thousand, four hundred eighty-six".