2659943 has 24 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 2090880.

The previous prime is 2659931. The next prime is 2659949. The reversal of 2659943 is 3499562.

2659943 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 2659943 - 2⁶ = 2659879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2659897 and 2659906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659949) 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 23 ways as a sum of consecutive naturals, for example, 29843 + ... + 29931.

It is an arithmetic number, because the mean of its divisors is an integer number (139650).

2^2659943 is an apocalyptic number.

2659943 is a deficient number, since it is larger than the sum of its proper divisors (691657).

2659943 is a wasteful number, since it uses less digits than its factorization.

2659943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 2659943 is about 1630.9331684652. The cubic root of 2659943 is about 138.5556085265. Note that the first 3 decimals are identical.

The spelling of 2659943 in words is "two million, six hundred fifty-nine thousand, nine hundred forty-three".