28516714 has 24 divisors (see below), whose sum is σ = 45507204. Its totient is φ = 13392000.

The previous prime is 28516699. The next prime is 28516717. The reversal of 28516714 is 41761582.

It can be written as a sum of positive squares in 2 ways, for example, as 20205025 + 8311689 = 4495^2 + 2883^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28516714.

It is not an unprimeable number, because it can be changed into a prime (28516717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70914 + ... + 71314.

Almost surely, 2^28516714 is an apocalyptic number.

28516714 is a deficient number, since it is larger than the sum of its proper divisors (16990490).

28516714 is a wasteful number, since it uses less digits than its factorization.

28516714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 471 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 28516714 is about 5340.1043060974. The cubic root of 28516714 is about 305.5154376763.

The spelling of 28516714 in words is "twenty-eight million, five hundred sixteen thousand, seven hundred fourteen".