28360536 has 32 divisors (see below), whose sum is σ = 73190400. Its totient is φ = 9148320.

The previous prime is 28360531. The next prime is 28360543. The reversal of 28360536 is 63506382.

It is a junction number, because it is equal to n+sod(n) for n = 28360497 and 28360506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28360531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18316 + ... + 19803.

It is an arithmetic number, because the mean of its divisors is an integer number (2287200).

Almost surely, 2^28360536 is an apocalyptic number.

It is an amenable number.

28360536 is an abundant number, since it is smaller than the sum of its proper divisors (44829864).

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

28360536 is a wasteful number, since it uses less digits than its factorization.

28360536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38159 (or 38155 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 28360536 is about 5325.4611067963. The cubic root of 28360536 is about 304.9566757418.

The spelling of 28360536 in words is "twenty-eight million, three hundred sixty thousand, five hundred thirty-six".