2431663 has 8 divisors (see below), whose sum is σ = 2773008. Its totient is φ = 2112384.

The previous prime is 2431661. The next prime is 2431673. The reversal of 2431663 is 3661342.

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 2431663 - 2¹ = 2431661 is a prime.

It is a Duffinian number.

2431663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431661) 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, 5281 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (346626).

2^2431663 is an apocalyptic number.

2431663 is a deficient number, since it is larger than the sum of its proper divisors (341345).

2431663 is a wasteful number, since it uses less digits than its factorization.

2431663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033.

The product of its digits is 2592, while the sum is 25.

The square root of 2431663 is about 1559.3790430809. The cubic root of 2431663 is about 134.4728044406.

The spelling of 2431663 in words is "two million, four hundred thirty-one thousand, six hundred sixty-three".