38181085 has 8 divisors (see below), whose sum is σ = 45865656. Its totient is φ = 30512640.

The previous prime is 38181071. The next prime is 38181097. The reversal of 38181085 is 58018183.

38181085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4761124 + 33419961 = 2182^2 + 5781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38181085 - 2¹⁹ = 37656797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38181085.

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, 2005 + ... + 8965.

It is an arithmetic number, because the mean of its divisors is an integer number (5733207).

Almost surely, 2^38181085 is an apocalyptic number.

It is an amenable number.

38181085 is a deficient number, since it is larger than the sum of its proper divisors (7684571).

38181085 is a wasteful number, since it uses less digits than its factorization.

38181085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8063.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 38181085 is about 6179.0844791118. The cubic root of 38181085 is about 336.7307326150.

The spelling of 38181085 in words is "thirty-eight million, one hundred eighty-one thousand, eighty-five".