38817982 has 8 divisors (see below), whose sum is σ = 66545136. Its totient is φ = 16636272.

The previous prime is 38817971. The next prime is 38818009. The reversal of 38817982 is 28971883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1386343 + ... + 1386370.

It is an arithmetic number, because the mean of its divisors is an integer number (8318142).

Almost surely, 2^38817982 is an apocalyptic number.

38817982 is a deficient number, since it is larger than the sum of its proper divisors (27727154).

38817982 is a wasteful number, since it uses less digits than its factorization.

38817982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772722.

The product of its digits is 193536, while the sum is 46.

The square root of 38817982 is about 6230.4078518184. The cubic root of 38817982 is about 338.5927474624.

The spelling of 38817982 in words is "thirty-eight million, eight hundred seventeen thousand, nine hundred eighty-two".