8613963 has 6 divisors (see below), whose sum is σ = 12442404. Its totient is φ = 5742636.

The previous prime is 8613961. The next prime is 8613967. The reversal of 8613963 is 3693168.

It is a happy number.

8613963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8613963 - 2¹ = 8613961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8613961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478545 + ... + 478562.

It is an arithmetic number, because the mean of its divisors is an integer number (2073734).

Almost surely, 2^8613963 is an apocalyptic number.

8613963 is a deficient number, since it is larger than the sum of its proper divisors (3828441).

8613963 is a wasteful number, since it uses less digits than its factorization.

8613963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957113 (or 957110 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 8613963 is about 2934.9553659298. The cubic root of 8613963 is about 204.9907828495.

It can be divided in two parts, 861 and 3963, that multiplied together give a palindrome (3412143).

The spelling of 8613963 in words is "eight million, six hundred thirteen thousand, nine hundred sixty-three".