4291663 has 8 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 4025880.

The previous prime is 4291649. The next prime is 4291673. The reversal of 4291663 is 3661924.

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 4291663 - 2⁵ = 4291631 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 (4291603) 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, 978 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (570240).

Almost surely, 2^4291663 is an apocalyptic number.

4291663 is a deficient number, since it is larger than the sum of its proper divisors (270257).

4291663 is a wasteful number, since it uses less digits than its factorization.

4291663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its digits is 7776, while the sum is 31.

The square root of 4291663 is about 2071.6329308060. The cubic root of 4291663 is about 162.5081715812.

The spelling of 4291663 in words is "four million, two hundred ninety-one thousand, six hundred sixty-three".