2739939 has 8 divisors (see below), whose sum is σ = 3662352. Its totient is φ = 1822080.

The previous prime is 2739931. The next prime is 2739973. The reversal of 2739939 is 9399372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2739939 - 2³ = 2739931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2739939.

It is not an unprimeable number, because it can be changed into a prime (2739931) 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, 687 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (457794).

2^2739939 is an apocalyptic number.

2739939 is a deficient number, since it is larger than the sum of its proper divisors (922413).

2739939 is a wasteful number, since it uses less digits than its factorization.

2739939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277.

The product of its digits is 91854, while the sum is 42.

The square root of 2739939 is about 1655.2761098983. The cubic root of 2739939 is about 139.9309012752.

The spelling of 2739939 in words is "two million, seven hundred thirty-nine thousand, nine hundred thirty-nine".