2643396 has 24 divisors (see below), whose sum is σ = 7049280. Its totient is φ = 755232.

The previous prime is 2643383. The next prime is 2643397. The reversal of 2643396 is 6933462.

It is not an unprimeable number, because it can be changed into a prime (2643397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15651 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (293720).

2^2643396 is an apocalyptic number.

It is an amenable number.

2643396 is an abundant number, since it is smaller than the sum of its proper divisors (4405884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643396 is a wasteful number, since it uses less digits than its factorization.

2643396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31483 (or 31481 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 2643396 is about 1625.8523918241. The cubic root of 2643396 is about 138.2677013219.

The spelling of 2643396 in words is "two million, six hundred forty-three thousand, three hundred ninety-six".