2636872 has 16 divisors (see below), whose sum is σ = 5650560. Its totient is φ = 1130064.

The previous prime is 2636863. The next prime is 2636873. The reversal of 2636872 is 2786362.

It is a d-powerful number, because it can be written as 2¹³ + 6² + 3¹² + 6² + 8 + 7 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2636873) 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, 23488 + ... + 23599.

It is an arithmetic number, because the mean of its divisors is an integer number (353160).

2^2636872 is an apocalyptic number.

It is an amenable number.

2636872 is an abundant number, since it is smaller than the sum of its proper divisors (3013688).

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

2636872 is a wasteful number, since it uses less digits than its factorization.

2636872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47100 (or 47096 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 2636872 is about 1623.8448201722. The cubic root of 2636872 is about 138.1538576643.

The spelling of 2636872 in words is "two million, six hundred thirty-six thousand, eight hundred seventy-two".