38866163 has 6 divisors (see below), whose sum is σ = 45211716. Its totient is φ = 33313812.

The previous prime is 38866141. The next prime is 38866171. The reversal of 38866163 is 36166883.

It is not a de Polignac number, because 38866163 - 2⁶ = 38866099 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 38866163.

It is not an unprimeable number, because it can be changed into a prime (38866103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396545 + ... + 396642.

It is an arithmetic number, because the mean of its divisors is an integer number (7535286).

Almost surely, 2^38866163 is an apocalyptic number.

38866163 is a deficient number, since it is larger than the sum of its proper divisors (6345553).

38866163 is an equidigital number, since it uses as much as digits as its factorization.

38866163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793201 (or 793194 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 38866163 is about 6234.2732535557. The cubic root of 38866163 is about 338.7327770005.

The spelling of 38866163 in words is "thirty-eight million, eight hundred sixty-six thousand, one hundred sixty-three".