28114986 has 8 divisors (see below), whose sum is σ = 56229984. Its totient is φ = 9371660.

The previous prime is 28114979. The next prime is 28114987. The reversal of 28114986 is 68941182.

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

28114986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28114987) 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, 2342910 + ... + 2342921.

It is an arithmetic number, because the mean of its divisors is an integer number (7028748).

Almost surely, 2^28114986 is an apocalyptic number.

28114986 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.

28114986 is a wasteful number, since it uses less digits than its factorization.

28114986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685836.

The product of its digits is 27648, while the sum is 39.

The square root of 28114986 is about 5302.3566458698. The cubic root of 28114986 is about 304.0740023559.

The spelling of 28114986 in words is "twenty-eight million, one hundred fourteen thousand, nine hundred eighty-six".