3643056 has 60 divisors (see below), whose sum is σ = 10584392. Its totient is φ = 1213056.

The previous prime is 3643043. The next prime is 3643063. The reversal of 3643056 is 6503463.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3420 + ... + 4356.

Almost surely, 2^3643056 is an apocalyptic number.

3643056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3643056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5292196).

3643056 is an abundant number, since it is smaller than the sum of its proper divisors (6941336).

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

3643056 is an equidigital number, since it uses as much as digits as its factorization.

3643056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3643056 is about 1908.6791244209. The cubic root of 3643056 is about 153.8704707204.

The spelling of 3643056 in words is "three million, six hundred forty-three thousand, fifty-six".