3102643 has 8 divisors (see below), whose sum is σ = 3320720. Its totient is φ = 2890080.

The previous prime is 3102637. The next prime is 3102661. The reversal of 3102643 is 3462013.

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 3102643 - 2⁹ = 3102131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3102643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102613) 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, 180 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (415090).

Almost surely, 2^3102643 is an apocalyptic number.

3102643 is a deficient number, since it is larger than the sum of its proper divisors (218077).

3102643 is a wasteful number, since it uses less digits than its factorization.

3102643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3102643 is about 1761.4320878195. The cubic root of 3102643 is about 145.8514000655.

Adding to 3102643 its reverse (3462013), we get a palindrome (6564656).

The spelling of 3102643 in words is "three million, one hundred two thousand, six hundred forty-three".