38918446 has 12 divisors (see below), whose sum is σ = 67908888. Its totient is φ = 16679292.

The previous prime is 38918419. The next prime is 38918459. The reversal of 38918446 is 64481983.

38918446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 5 ways as a sum of consecutive naturals, for example, 198466 + ... + 198661.

It is an arithmetic number, because the mean of its divisors is an integer number (5659074).

Almost surely, 2^38918446 is an apocalyptic number.

38918446 is a deficient number, since it is larger than the sum of its proper divisors (28990442).

38918446 is a wasteful number, since it uses less digits than its factorization.

38918446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397143 (or 397136 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 38918446 is about 6238.4650355676. The cubic root of 38918446 is about 338.8845974115.

The spelling of 38918446 in words is "thirty-eight million, nine hundred eighteen thousand, four hundred forty-six".