38871814 has 4 divisors (see below), whose sum is σ = 58307724. Its totient is φ = 19435906.

The previous prime is 38871797. The next prime is 38871869. The reversal of 38871814 is 41817883.

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

It is a super-2 number, since 2×38871814² = 3022035847301192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9717952 + ... + 9717955.

It is an arithmetic number, because the mean of its divisors is an integer number (14576931).

Almost surely, 2^38871814 is an apocalyptic number.

38871814 is a deficient number, since it is larger than the sum of its proper divisors (19435910).

38871814 is a wasteful number, since it uses less digits than its factorization.

38871814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435909.

The product of its digits is 43008, while the sum is 40.

The square root of 38871814 is about 6234.7264575120. The cubic root of 38871814 is about 338.7491930465.

The spelling of 38871814 in words is "thirty-eight million, eight hundred seventy-one thousand, eight hundred fourteen".