38166885 has 24 divisors (see below), whose sum is σ = 67148640. Its totient is φ = 20050272.

The previous prime is 38166883. The next prime is 38166893. The reversal of 38166885 is 58866183.

It is not a de Polignac number, because 38166885 - 2¹ = 38166883 is a prime.

It is a super-2 number, since 2×38166885² = 2913422221206450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38166885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38166883) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3315 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (2797860).

Almost surely, 2^38166885 is an apocalyptic number.

It is an amenable number.

38166885 is a deficient number, since it is larger than the sum of its proper divisors (28981755).

38166885 is a wasteful number, since it uses less digits than its factorization.

38166885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737 (or 12734 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 38166885 is about 6177.9353347215. The cubic root of 38166885 is about 336.6889827162.

It can be divided in two parts, 3816 and 6885, that added together give a palindrome (10701).

The spelling of 38166885 in words is "thirty-eight million, one hundred sixty-six thousand, eight hundred eighty-five".