28118486 has 8 divisors (see below), whose sum is σ = 46012104. Its totient is φ = 12781120.

The previous prime is 28118479. The next prime is 28118507. The reversal of 28118486 is 68481182.

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, 639035 + ... + 639078.

It is an arithmetic number, because the mean of its divisors is an integer number (5751513).

Almost surely, 2^28118486 is an apocalyptic number.

28118486 is a deficient number, since it is larger than the sum of its proper divisors (17893618).

28118486 is a wasteful number, since it uses less digits than its factorization.

28118486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278126.

The product of its digits is 24576, while the sum is 38.

The square root of 28118486 is about 5302.6866775249. The cubic root of 28118486 is about 304.0866197651.

The spelling of 28118486 in words is "twenty-eight million, one hundred eighteen thousand, four hundred eighty-six".