28647714 has 8 divisors (see below), whose sum is σ = 57295440. Its totient is φ = 9549236.

The previous prime is 28647709. The next prime is 28647721. The reversal of 28647714 is 41774682.

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

28647714 is an admirable number.

It is a Curzon 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, 2387304 + ... + 2387315.

It is an arithmetic number, because the mean of its divisors is an integer number (7161930).

Almost surely, 2^28647714 is an apocalyptic number.

28647714 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.

28647714 is a wasteful number, since it uses less digits than its factorization.

28647714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774624.

The product of its digits is 75264, while the sum is 39.

The square root of 28647714 is about 5352.3559298686. The cubic root of 28647714 is about 305.9825484515.

The spelling of 28647714 in words is "twenty-eight million, six hundred forty-seven thousand, seven hundred fourteen".