2636984 has 48 divisors (see below), whose sum is σ = 5958000. Its totient is φ = 1093680.

The previous prime is 2636983. The next prime is 2637001. The reversal of 2636984 is 4896362.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 3¹² + 6⁵ + 9² + 8³ + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85049 + ... + 85079.

It is an arithmetic number, because the mean of its divisors is an integer number (124125).

2^2636984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2636984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979000).

2636984 is an abundant number, since it is smaller than the sum of its proper divisors (3321016).

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

2636984 is an equidigital number, since it uses as much as digits as its factorization.

2636984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 40 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 2636984 is about 1623.8793058599. The cubic root of 2636984 is about 138.1558136451.

The spelling of 2636984 in words is "two million, six hundred thirty-six thousand, nine hundred eighty-four".