2739963 has 4 divisors (see below), whose sum is σ = 3653288. Its totient is φ = 1826640.

The previous prime is 2739931. The next prime is 2739973. The reversal of 2739963 is 3699372.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2739963 - 2⁵ = 2739931 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456658 + ... + 456663.

It is an arithmetic number, because the mean of its divisors is an integer number (913322).

2^2739963 is an apocalyptic number.

2739963 is a deficient number, since it is larger than the sum of its proper divisors (913325).

2739963 is an equidigital number, since it uses as much as digits as its factorization.

2739963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913324.

The product of its digits is 61236, while the sum is 39.

The square root of 2739963 is about 1655.2833594282. The cubic root of 2739963 is about 139.9313098405.

The spelling of 2739963 in words is "two million, seven hundred thirty-nine thousand, nine hundred sixty-three".