5638782 has 16 divisors (see below), whose sum is σ = 11871360. Its totient is φ = 1780632.

The previous prime is 5638777. The next prime is 5638799. The reversal of 5638782 is 2878365.

It is a self number, because there is not a number n which added to its sum of digits gives 5638782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24618 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (741960).

Almost surely, 2^5638782 is an apocalyptic number.

5638782 is an abundant number, since it is smaller than the sum of its proper divisors (6232578).

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

5638782 is a wasteful number, since it uses less digits than its factorization.

5638782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49487.

The product of its digits is 80640, while the sum is 39.

The square root of 5638782 is about 2374.6119683013. The cubic root of 5638782 is about 177.9897944744.

The spelling of 5638782 in words is "five million, six hundred thirty-eight thousand, seven hundred eighty-two".