38181086 has 16 divisors (see below), whose sum is σ = 58877280. Its totient is φ = 18558720.

The previous prime is 38181071. The next prime is 38181097. The reversal of 38181086 is 68018183.

It is a happy number.

38181086 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 7 ways as a sum of consecutive naturals, for example, 28790 + ... + 30086.

It is an arithmetic number, because the mean of its divisors is an integer number (3679830).

Almost surely, 2^38181086 is an apocalyptic number.

38181086 is a deficient number, since it is larger than the sum of its proper divisors (20696194).

38181086 is a wasteful number, since it uses less digits than its factorization.

38181086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 38181086 is about 6179.0845600299. The cubic root of 38181086 is about 336.7307355547.

The spelling of 38181086 in words is "thirty-eight million, one hundred eighty-one thousand, eighty-six".