3606821844 has 48 divisors (see below), whose sum is σ = 8527282176. Its totient is φ = 1186466400.

The previous prime is 3606821839. The next prime is 3606821849. The reversal of 3606821844 is 4481286063.

It is an interprime number because it is at equal distance from previous prime (3606821839) and next prime (3606821849).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3606821796 and 3606821805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3606821849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284889 + ... + 297279.

It is an arithmetic number, because the mean of its divisors is an integer number (177651712).

Almost surely, 2^3606821844 is an apocalyptic number.

It is an amenable number.

3606821844 is an abundant number, since it is smaller than the sum of its proper divisors (4920460332).

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

3606821844 is a wasteful number, since it uses less digits than its factorization.

3606821844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716 (or 12714 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 3606821844 is about 60056.8217940310. The cubic root of 3606821844 is about 1533.5863360506.

It can be divided in two parts, 360682 and 1844, that added together give a triangular number (362526 = T₈₅₁).

The spelling of 3606821844 in words is "three billion, six hundred six million, eight hundred twenty-one thousand, eight hundred forty-four".