2643036 has 24 divisors (see below), whose sum is σ = 6728064. Its totient is φ = 800880.

The previous prime is 2643019. The next prime is 2643037. The reversal of 2643036 is 6303462.

It is a junction number, because it is equal to n+sod(n) for n = 2642997 and 2643015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643037) 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, 9880 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (280336).

2^2643036 is an apocalyptic number.

It is an amenable number.

2643036 is an abundant number, since it is smaller than the sum of its proper divisors (4085028).

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

2643036 is a wasteful number, since it uses less digits than its factorization.

2643036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041 (or 20039 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2643036 is about 1625.7416768970. The cubic root of 2643036 is about 138.2614242157.

Adding to 2643036 its reverse (6303462), we get a palindrome (8946498).

The spelling of 2643036 in words is "two million, six hundred forty-three thousand, thirty-six".