38684446 has 4 divisors (see below), whose sum is σ = 58026672. Its totient is φ = 19342222.

The previous prime is 38684389. The next prime is 38684467. The reversal of 38684446 is 64448683.

38684446 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.

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, 9671110 + ... + 9671113.

It is an arithmetic number, because the mean of its divisors is an integer number (14506668).

Almost surely, 2^38684446 is an apocalyptic number.

38684446 is a deficient number, since it is larger than the sum of its proper divisors (19342226).

38684446 is a wasteful number, since it uses less digits than its factorization.

38684446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342225.

The product of its digits is 442368, while the sum is 43.

The square root of 38684446 is about 6219.6821462194. The cubic root of 38684446 is about 338.2040421538.

The spelling of 38684446 in words is "thirty-eight million, six hundred eighty-four thousand, four hundred forty-six".