28700316 has 36 divisors (see below), whose sum is σ = 72711912. Its totient is φ = 9545184.

The previous prime is 28700311. The next prime is 28700333. The reversal of 28700316 is 61300782.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28700316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28700311) 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, 27826 + ... + 28838.

Almost surely, 2^28700316 is an apocalyptic number.

It is an amenable number.

28700316 is an abundant number, since it is smaller than the sum of its proper divisors (44011596).

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

28700316 is a wasteful number, since it uses less digits than its factorization.

28700316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28700316 is about 5357.2675871194. The cubic root of 28700316 is about 306.1697123422.

The spelling of 28700316 in words is "twenty-eight million, seven hundred thousand, three hundred sixteen".