28714 has 12 divisors (see below), whose sum is σ = 50274. Its totient is φ = 12264.

The previous prime is 28711. The next prime is 28723. The reversal of 28714 is 41782.

It can be written as a sum of positive squares in only one way, i.e., 17689 + 11025 = 133^2 + 105^2 .

It is not an unprimeable number, because it can be changed into a prime (28711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49 + ... + 244.

2²⁸⁷¹⁴ is an apocalyptic number.

28714 is a deficient number, since it is larger than the sum of its proper divisors (21560).

28714 is a wasteful number, since it uses less digits than its factorization.

28714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 28714 is about 169.4520581167. The cubic root of 28714 is about 30.6218364079.

The spelling of 28714 in words is "twenty-eight thousand, seven hundred fourteen".