2636874 has 40 divisors (see below), whose sum is σ = 6067908. Its totient is φ = 855360.

The previous prime is 2636873. The next prime is 2636897. The reversal of 2636874 is 4786362.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 99225 = 1593^2 + 315^2 .

It is a plaindrome in base 5.

It is a zygodrome in base 5.

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 19 ways as a sum of consecutive naturals, for example, 6444 + ... + 6840.

2^2636874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2636874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033954).

2636874 is an abundant number, since it is smaller than the sum of its proper divisors (3431034).

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

2636874 is a wasteful number, since it uses less digits than its factorization.

2636874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 443 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2636874 is about 1623.8454359944. The cubic root of 2636874 is about 138.1538925930.

The spelling of 2636874 in words is "two million, six hundred thirty-six thousand, eight hundred seventy-four".