28868316 has 48 divisors (see below), whose sum is σ = 70576128. Its totient is φ = 9172800.

The previous prime is 28868299. The next prime is 28868321. The reversal of 28868316 is 61386882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25866 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (1470336).

Almost surely, 2^28868316 is an apocalyptic number.

It is an amenable number.

28868316 is an abundant number, since it is smaller than the sum of its proper divisors (41707812).

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

28868316 is a wasteful number, since it uses less digits than its factorization.

28868316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 28868316 is about 5372.9243434093. The cubic root of 28868316 is about 306.7659482160.

The spelling of 28868316 in words is "twenty-eight million, eight hundred sixty-eight thousand, three hundred sixteen".