28116316 has 6 divisors (see below), whose sum is σ = 49203560. Its totient is φ = 14058156.

The previous prime is 28116313. The next prime is 28116353. The reversal of 28116316 is 61361182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28116313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3514536 + ... + 3514543.

Almost surely, 2^28116316 is an apocalyptic number.

It is an amenable number.

28116316 is a deficient number, since it is larger than the sum of its proper divisors (21087244).

28116316 is a wasteful number, since it uses less digits than its factorization.

28116316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029083 (or 7029081 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 28116316 is about 5302.4820603185. The cubic root of 28116316 is about 304.0787970947.

Adding to 28116316 its reverse (61361182), we get a palindrome (89477498).

The spelling of 28116316 in words is "twenty-eight million, one hundred sixteen thousand, three hundred sixteen".