8613443 has 6 divisors (see below), whose sum is σ = 8901252. Its totient is φ = 8334660.

The previous prime is 8613439. The next prime is 8613457. The reversal of 8613443 is 3443168.

It is not a de Polignac number, because 8613443 - 2² = 8613439 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8613463) 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 5 ways as a sum of consecutive naturals, for example, 3521 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (1483542).

Almost surely, 2^8613443 is an apocalyptic number.

8613443 is a deficient number, since it is larger than the sum of its proper divisors (287809).

8613443 is an equidigital number, since it uses as much as digits as its factorization.

8613443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025 (or 8994 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 8613443 is about 2934.8667772149. The cubic root of 8613443 is about 204.9866578665.

The spelling of 8613443 in words is "eight million, six hundred thirteen thousand, four hundred forty-three".