2721296 has 10 divisors (see below), whose sum is σ = 5272542. Its totient is φ = 1360640.

The previous prime is 2721259. The next prime is 2721307. The reversal of 2721296 is 6921272.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 1123600 = 1264^2 + 1060^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85025 + ... + 85056.

2^2721296 is an apocalyptic number.

It is an amenable number.

2721296 is a deficient number, since it is larger than the sum of its proper divisors (2551246).

2721296 is a wasteful number, since it uses less digits than its factorization.

2721296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170089 (or 170083 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 2721296 is about 1649.6351111685. The cubic root of 2721296 is about 139.6128076962.

The spelling of 2721296 in words is "two million, seven hundred twenty-one thousand, two hundred ninety-six".