38691914 has 16 divisors (see below), whose sum is σ = 58700256. Its totient is φ = 19126800.

The previous prime is 38691907. The next prime is 38691929. The reversal of 38691914 is 41919683.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116729 + ... + 117059.

It is an arithmetic number, because the mean of its divisors is an integer number (3668766).

Almost surely, 2^38691914 is an apocalyptic number.

38691914 is a deficient number, since it is larger than the sum of its proper divisors (20008342).

38691914 is a wasteful number, since it uses less digits than its factorization.

38691914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 46656, while the sum is 41.

The square root of 38691914 is about 6220.2824694703. The cubic root of 38691914 is about 338.2258040894.

The spelling of 38691914 in words is "thirty-eight million, six hundred ninety-one thousand, nine hundred fourteen".