2731996 has 12 divisors (see below), whose sum is σ = 4806648. Its totient is φ = 1358672.

The previous prime is 2731987. The next prime is 2731997. The reversal of 2731996 is 6991372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731997) 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, 946 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (400554).

2^2731996 is an apocalyptic number.

It is an amenable number.

2731996 is a deficient number, since it is larger than the sum of its proper divisors (2074652).

2731996 is a wasteful number, since it uses less digits than its factorization.

2731996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3666 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 2731996 is about 1652.8750708992. The cubic root of 2731996 is about 139.7955519211.

It can be divided in two parts, 27 and 31996, that added together give a palindrome (32023).

The spelling of 2731996 in words is "two million, seven hundred thirty-one thousand, nine hundred ninety-six".