38913163 has 4 divisors (see below), whose sum is σ = 38926888. Its totient is φ = 38899440.

The previous prime is 38913143. The next prime is 38913167. The reversal of 38913163 is 36131983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38913163 - 2⁹ = 38912651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38913167) 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 3 ways as a sum of consecutive naturals, for example, 858 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (9731722).

Almost surely, 2^38913163 is an apocalyptic number.

38913163 is a deficient number, since it is larger than the sum of its proper divisors (13725).

38913163 is an equidigital number, since it uses as much as digits as its factorization.

38913163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724.

The product of its digits is 11664, while the sum is 34.

The square root of 38913163 is about 6238.0415997330. The cubic root of 38913163 is about 338.8692627092.

The spelling of 38913163 in words is "thirty-eight million, nine hundred thirteen thousand, one hundred sixty-three".