28302696 has 112 divisors (see below), whose sum is σ = 83417760. Its totient is φ = 8981280.

The previous prime is 28302683. The next prime is 28302697. The reversal of 28302696 is 69620382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28302696.

It is not an unprimeable number, because it can be changed into a prime (28302697) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 134031 + ... + 134241.

Almost surely, 2^28302696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28302696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41708880).

28302696 is an abundant number, since it is smaller than the sum of its proper divisors (55115064).

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

28302696 is a wasteful number, since it uses less digits than its factorization.

28302696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 28302696 is about 5320.0278194761. The cubic root of 28302696 is about 304.7492196388.

The spelling of 28302696 in words is "twenty-eight million, three hundred two thousand, six hundred ninety-six".