38911894 has 16 divisors (see below), whose sum is σ = 67511808. Its totient is φ = 16475112.

The previous prime is 38911879. The next prime is 38911903. The reversal of 38911894 is 49811983.

It is a self number, because there is not a number n which added to its sum of digits gives 38911894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15582 + ... + 17905.

It is an arithmetic number, because the mean of its divisors is an integer number (4219488).

Almost surely, 2^38911894 is an apocalyptic number.

38911894 is a deficient number, since it is larger than the sum of its proper divisors (28599914).

38911894 is a wasteful number, since it uses less digits than its factorization.

38911894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33579.

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

The square root of 38911894 is about 6237.9398842887. The cubic root of 38911894 is about 338.8655790391.

The spelling of 38911894 in words is "thirty-eight million, nine hundred eleven thousand, eight hundred ninety-four".