38866782 has 16 divisors (see below), whose sum is σ = 77841792. Its totient is φ = 12937560.

The previous prime is 38866771. The next prime is 38866813. The reversal of 38866782 is 28766883.

It is a happy number.

38866782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 8837.

It is an arithmetic number, because the mean of its divisors is an integer number (4865112).

Almost surely, 2^38866782 is an apocalyptic number.

38866782 is an abundant number, since it is smaller than the sum of its proper divisors (38975010).

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

38866782 is a wasteful number, since it uses less digits than its factorization.

38866782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023.

The product of its digits is 774144, while the sum is 48.

The square root of 38866782 is about 6234.3228982785. The cubic root of 38866782 is about 338.7345752611.

The spelling of 38866782 in words is "thirty-eight million, eight hundred sixty-six thousand, seven hundred eighty-two".