38919814 has 4 divisors (see below), whose sum is σ = 58379724. Its totient is φ = 19459906.

The previous prime is 38919767. The next prime is 38919821. The reversal of 38919814 is 41891983.

38919814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41891983 = 7 ⋅5984569.

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 as a sum of consecutive naturals, namely, 9729952 + ... + 9729955.

It is an arithmetic number, because the mean of its divisors is an integer number (14594931).

Almost surely, 2^38919814 is an apocalyptic number.

38919814 is a deficient number, since it is larger than the sum of its proper divisors (19459910).

38919814 is a wasteful number, since it uses less digits than its factorization.

38919814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19459909.

The product of its digits is 62208, while the sum is 43.

The square root of 38919814 is about 6238.5746769595. The cubic root of 38919814 is about 338.8885680111. Note that the first 3 decimals are identical.

The spelling of 38919814 in words is "thirty-eight million, nine hundred nineteen thousand, eight hundred fourteen".