3161863 has 4 divisors (see below), whose sum is σ = 3167680. Its totient is φ = 3156048.

The previous prime is 3161857. The next prime is 3161867. The reversal of 3161863 is 3681613.

3161863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3161863 - 2⁹ = 3161351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161867) 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, 1998 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (791920).

Almost surely, 2^3161863 is an apocalyptic number.

3161863 is a deficient number, since it is larger than the sum of its proper divisors (5817).

3161863 is an equidigital number, since it uses as much as digits as its factorization.

3161863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its digits is 2592, while the sum is 28.

The square root of 3161863 is about 1778.1628159423. The cubic root of 3161863 is about 146.7735108751.

The spelling of 3161863 in words is "three million, one hundred sixty-one thousand, eight hundred sixty-three".