3918163 has 4 divisors (see below), whose sum is σ = 3967840. Its totient is φ = 3868488.

The previous prime is 3918157. The next prime is 3918179. The reversal of 3918163 is 3618193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3618193 = 37 ⋅97789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3918163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3918193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24720 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (991960).

Almost surely, 2^3918163 is an apocalyptic number.

3918163 is a deficient number, since it is larger than the sum of its proper divisors (49677).

3918163 is an equidigital number, since it uses as much as digits as its factorization.

3918163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49676.

The product of its digits is 3888, while the sum is 31.

The square root of 3918163 is about 1979.4350204035. The cubic root of 3918163 is about 157.6500694452.

The spelling of 3918163 in words is "three million, nine hundred eighteen thousand, one hundred sixty-three".