28107316 has 18 divisors (see below), whose sum is σ = 50272418. Its totient is φ = 13750320.

The previous prime is 28107301. The next prime is 28107323. The reversal of 28107316 is 61370182.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 10214416 = 4230^2 + 3196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7246 + ... + 10426.

Almost surely, 2^28107316 is an apocalyptic number.

It is an amenable number.

28107316 is a deficient number, since it is larger than the sum of its proper divisors (22165102).

28107316 is a wasteful number, since it uses less digits than its factorization.

28107316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279 (or 3230 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 28107316 is about 5301.6333332285. The cubic root of 28107316 is about 304.0463485427.

Adding to 28107316 its reverse (61370182), we get a palindrome (89477498).

The spelling of 28107316 in words is "twenty-eight million, one hundred seven thousand, three hundred sixteen".