2652636 has 48 divisors (see below), whose sum is σ = 7386624. Its totient is φ = 724416.

The previous prime is 2652623. The next prime is 2652667. The reversal of 2652636 is 6362562.

It is a d-powerful number, because it can be written as 2² + 6² + 5⁴ + 2²⁰ + 6⁴ + 3¹³ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (153888).

2^2652636 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 2652636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693312).

2652636 is an abundant number, since it is smaller than the sum of its proper divisors (4733988).

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

2652636 is a wasteful number, since it uses less digits than its factorization.

2652636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410 (or 1408 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2652636 is about 1628.6914993331. The cubic root of 2652636 is about 138.4286190496.

It can be divided in two parts, 26526 and 36, that added together give a palindrome (26562).

The spelling of 2652636 in words is "two million, six hundred fifty-two thousand, six hundred thirty-six".