2445636 has 24 divisors (see below), whose sum is σ = 5955264. Its totient is φ = 779680.

The previous prime is 2445629. The next prime is 2445647. The reversal of 2445636 is 6365442.

It is a super-2 number, since 2×2445636² = 11962270888992, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 4⁷ + 4⁹ + 5⁵ + 6 + 3¹⁰ + 6⁵ .

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, 4155 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (248136).

2^2445636 is an apocalyptic number.

It is an amenable number.

2445636 is an abundant number, since it is smaller than the sum of its proper divisors (3509628).

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

2445636 is a wasteful number, since it uses less digits than its factorization.

2445636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891 (or 8889 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 2445636 is about 1563.8529342620. The cubic root of 2445636 is about 134.7298851410.

It can be divided in two parts, 2445 and 636, that added together give a triangular number (3081 = T₇₈).

The spelling of 2445636 in words is "two million, four hundred forty-five thousand, six hundred thirty-six".