28044086 has 8 divisors (see below), whose sum is σ = 48075600. Its totient is φ = 12018888.

The previous prime is 28044059. The next prime is 28044103. The reversal of 28044086 is 68044082.

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, 1001561 + ... + 1001588.

It is an arithmetic number, because the mean of its divisors is an integer number (6009450).

Almost surely, 2^28044086 is an apocalyptic number.

28044086 is a deficient number, since it is larger than the sum of its proper divisors (20031514).

28044086 is a wasteful number, since it uses less digits than its factorization.

28044086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003158.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 28044086 is about 5295.6667191205. Note that the first 3 decimals coincide. The cubic root of 28044086 is about 303.8181839290.

The spelling of 28044086 in words is "twenty-eight million, forty-four thousand, eighty-six".