38168865 has 24 divisors (see below), whose sum is σ = 75611328. Its totient is φ = 17448480.

The previous prime is 38168863. The next prime is 38168873. The reversal of 38168865 is 56886183.

It is not a de Polignac number, because 38168865 - 2¹ = 38168863 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38168865.

It is not an unprimeable number, because it can be changed into a prime (38168861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60271 + ... + 60900.

It is an arithmetic number, because the mean of its divisors is an integer number (3150472).

Almost surely, 2^38168865 is an apocalyptic number.

38168865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38168865 is a deficient number, since it is larger than the sum of its proper divisors (37442463).

38168865 is a wasteful number, since it uses less digits than its factorization.

38168865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121189 (or 121186 counting only the distinct ones).

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

The square root of 38168865 is about 6178.0955803548. The cubic root of 38168865 is about 336.6948048022.

The spelling of 38168865 in words is "thirty-eight million, one hundred sixty-eight thousand, eight hundred sixty-five".