2984643 has 12 divisors (see below), whose sum is σ = 4327128. Its totient is φ = 1982400.

The previous prime is 2984629. The next prime is 2984671. The reversal of 2984643 is 3464892.

It is a happy number.

2984643 is a `hidden beast` number, since 2 + 9 + 8 + 4 + 643 = 666.

2984643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2984643 - 2⁹ = 2984131 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 2984598 and 2984607.

It is not an unprimeable number, because it can be changed into a prime (2984603) 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 11 ways as a sum of consecutive naturals, for example, 3196 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (360594).

2^2984643 is an apocalyptic number.

2984643 is a deficient number, since it is larger than the sum of its proper divisors (1342485).

2984643 is a wasteful number, since it uses less digits than its factorization.

2984643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1231 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2984643 is about 1727.6119355920. The cubic root of 2984643 is about 143.9784400592.

Subtracting 2984643 from its reverse (3464892), we obtain a square (480249 = 693²).

The spelling of 2984643 in words is "two million, nine hundred eighty-four thousand, six hundred forty-three".