38268181 has 8 divisors (see below), whose sum is σ = 43898624. Its totient is φ = 32678640.

The previous prime is 38268179. The next prime is 38268203. The reversal of 38268181 is 18186283.

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

It is a cyclic number.

It is not a de Polignac number, because 38268181 - 2¹ = 38268179 is a prime.

It is a super-2 number, since 2×38268181² = 2928907354097522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38268181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38268121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (5487328).

Almost surely, 2^38268181 is an apocalyptic number.

It is an amenable number.

38268181 is a deficient number, since it is larger than the sum of its proper divisors (5630443).

38268181 is a wasteful number, since it uses less digits than its factorization.

38268181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451.

The product of its digits is 18432, while the sum is 37.

The square root of 38268181 is about 6186.1281105389. The cubic root of 38268181 is about 336.9865803107.

The spelling of 38268181 in words is "thirty-eight million, two hundred sixty-eight thousand, one hundred eighty-one".