28316316 has 36 divisors (see below), whose sum is σ = 76860168. Its totient is φ = 8090208.

The previous prime is 28316311. The next prime is 28316333. The reversal of 28316316 is 61361382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316311) 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, 23491 + ... + 24666.

Almost surely, 2^28316316 is an apocalyptic number.

It is an amenable number.

28316316 is an abundant number, since it is smaller than the sum of its proper divisors (48543852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28316316 is a wasteful number, since it uses less digits than its factorization.

28316316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48178 (or 48169 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 28316316 is about 5321.3077340067. The cubic root of 28316316 is about 304.7980962399.

Adding to 28316316 its reverse (61361382), we get a palindrome (89677698).

The spelling of 28316316 in words is "twenty-eight million, three hundred sixteen thousand, three hundred sixteen".