28643714 has 16 divisors (see below), whose sum is σ = 47035296. Its totient is φ = 12974400.

The previous prime is 28643711. The next prime is 28643729. The reversal of 28643714 is 41734682.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28643711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4634 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (2939706).

Almost surely, 2^28643714 is an apocalyptic number.

28643714 is a deficient number, since it is larger than the sum of its proper divisors (18391582).

28643714 is a wasteful number, since it uses less digits than its factorization.

28643714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561.

The product of its digits is 32256, while the sum is 35.

The square root of 28643714 is about 5351.9822495969. The cubic root of 28643714 is about 305.9683066268.

The spelling of 28643714 in words is "twenty-eight million, six hundred forty-three thousand, seven hundred fourteen".