2729939 has 8 divisors (see below), whose sum is σ = 2999040. Its totient is φ = 2473416.

The previous prime is 2729921. The next prime is 2729957. The reversal of 2729939 is 9399272.

It is an interprime number because it is at equal distance from previous prime (2729921) and next prime (2729957).

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 2729939 - 2²⁰ = 1681363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2729896 and 2729905.

It is not an unprimeable number, because it can be changed into a prime (2729959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (374880).

2^2729939 is an apocalyptic number.

2729939 is a deficient number, since it is larger than the sum of its proper divisors (269101).

2729939 is a wasteful number, since it uses less digits than its factorization.

2729939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289.

The product of its digits is 61236, while the sum is 41.

The square root of 2729939 is about 1652.2527046430. The cubic root of 2729939 is about 139.7604577200.

The spelling of 2729939 in words is "two million, seven hundred twenty-nine thousand, nine hundred thirty-nine".