2705943 has 8 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1793528.

The previous prime is 2705939. The next prime is 2705951. The reversal of 2705943 is 3495072.

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 2705943 - 2² = 2705939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2705943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705933) 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, 1983 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

2^2705943 is an apocalyptic number.

2705943 is a deficient number, since it is larger than the sum of its proper divisors (922857).

2705943 is a wasteful number, since it uses less digits than its factorization.

2705943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2705943 is about 1644.9750757990. The cubic root of 2705943 is about 139.3497566675.

The spelling of 2705943 in words is "two million, seven hundred five thousand, nine hundred forty-three".