2696321 has 4 divisors (see below), whose sum is σ = 2701572. Its totient is φ = 2691072.

The previous prime is 2696311. The next prime is 2696329. The reversal of 2696321 is 1236962.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2640625 + 55696 = 1625^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2696321 - 2⁶ = 2696257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2696329) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1760 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (675393).

2^2696321 is an apocalyptic number.

It is an amenable number.

2696321 is a deficient number, since it is larger than the sum of its proper divisors (5251).

2696321 is an equidigital number, since it uses as much as digits as its factorization.

2696321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250.

The product of its digits is 3888, while the sum is 29.

The square root of 2696321 is about 1642.0478068558. The cubic root of 2696321 is about 139.1843903148.

The spelling of 2696321 in words is "two million, six hundred ninety-six thousand, three hundred twenty-one".