28360782 has 24 divisors (see below), whose sum is σ = 63568440. Its totient is φ = 9127440.

The previous prime is 28360757. The next prime is 28360789. The reversal of 28360782 is 28706382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28360789) 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, 26644 + ... + 27687.

It is an arithmetic number, because the mean of its divisors is an integer number (2648685).

Almost surely, 2^28360782 is an apocalyptic number.

28360782 is an abundant number, since it is smaller than the sum of its proper divisors (35207658).

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

28360782 is a wasteful number, since it uses less digits than its factorization.

28360782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54368 (or 54365 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28360782 is about 5325.4842033378. The cubic root of 28360782 is about 304.9575574732.

The spelling of 28360782 in words is "twenty-eight million, three hundred sixty thousand, seven hundred eighty-two".