2729943 has 10 divisors (see below), whose sum is σ = 4078184. Its totient is φ = 1819908.

The previous prime is 2729921. The next prime is 2729957. The reversal of 2729943 is 3499272.

It is not a de Polignac number, because 2729943 - 2¹² = 2725847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2729898 and 2729907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729983) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16771 + ... + 16932.

2^2729943 is an apocalyptic number.

2729943 is a deficient number, since it is larger than the sum of its proper divisors (1348241).

2729943 is an equidigital number, since it uses as much as digits as its factorization.

2729943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33715 (or 33706 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2729943 is about 1652.2539151111. The cubic root of 2729943 is about 139.7605259805.

The spelling of 2729943 in words is "two million, seven hundred twenty-nine thousand, nine hundred forty-three".