38687882 has 4 divisors (see below), whose sum is σ = 58031826. Its totient is φ = 19343940.

The previous prime is 38687867. The next prime is 38687911. The reversal of 38687882 is 28878683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 10374841 = 5321^2 + 3221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38687882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9671969 + ... + 9671972.

Almost surely, 2^38687882 is an apocalyptic number.

38687882 is a deficient number, since it is larger than the sum of its proper divisors (19343944).

38687882 is a wasteful number, since it uses less digits than its factorization.

38687882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19343943.

The product of its digits is 1032192, while the sum is 50.

The square root of 38687882 is about 6219.9583599892. The cubic root of 38687882 is about 338.2140550901.

The spelling of 38687882 in words is "thirty-eight million, six hundred eighty-seven thousand, eight hundred eighty-two".