2528636 has 24 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 1136000.

The previous prime is 2528629. The next prime is 2528651. The reversal of 2528636 is 6368252.

It is a d-powerful number, because it can be written as 2¹⁸ + 5⁶ + 2¹⁹ + 8² + 6⁶ + 3⁵ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4160 + ... + 4728.

It is an arithmetic number, because the mean of its divisors is an integer number (203490).

2^2528636 is an apocalyptic number.

It is an amenable number.

2528636 is a deficient number, since it is larger than the sum of its proper divisors (2355124).

2528636 is a wasteful number, since it uses less digits than its factorization.

2528636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2528636 is about 1590.1685445260. The cubic root of 2528636 is about 136.2371151859.

It can be divided in two parts, 252 and 8636, that added together give a palindrome (8888).

The spelling of 2528636 in words is "two million, five hundred twenty-eight thousand, six hundred thirty-six".