4191863 has 8 divisors (see below), whose sum is σ = 4670400. Its totient is φ = 3735648.

The previous prime is 4191857. The next prime is 4191893. The reversal of 4191863 is 3681914.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4191863 - 2¹⁶ = 4126327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5183 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (583800).

Almost surely, 2^4191863 is an apocalyptic number.

4191863 is a deficient number, since it is larger than the sum of its proper divisors (478537).

4191863 is a wasteful number, since it uses less digits than its factorization.

4191863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161.

The product of its digits is 5184, while the sum is 32.

The square root of 4191863 is about 2047.4039660018. The cubic root of 4191863 is about 161.2386030444.

The spelling of 4191863 in words is "four million, one hundred ninety-one thousand, eight hundred sixty-three".