38644814 has 8 divisors (see below), whose sum is σ = 62426280. Its totient is φ = 17836056.

The previous prime is 38644811. The next prime is 38644843. The reversal of 38644814 is 41844683.

38644814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38644811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 743144 + ... + 743195.

It is an arithmetic number, because the mean of its divisors is an integer number (7803285).

Almost surely, 2^38644814 is an apocalyptic number.

38644814 is a deficient number, since it is larger than the sum of its proper divisors (23781466).

38644814 is a wasteful number, since it uses less digits than its factorization.

38644814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486354.

The product of its digits is 73728, while the sum is 38.

The square root of 38644814 is about 6216.4953148860. The cubic root of 38644814 is about 338.0885066355.

The spelling of 38644814 in words is "thirty-eight million, six hundred forty-four thousand, eight hundred fourteen".