3657056 has 48 divisors (see below), whose sum is σ = 7938000. Its totient is φ = 1648128.

The previous prime is 3657041. The next prime is 3657079. The reversal of 3657056 is 6507563.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 24470 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

Almost surely, 2^3657056 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 3657056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3969000).

3657056 is an abundant number, since it is smaller than the sum of its proper divisors (4280944).

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

3657056 is a wasteful number, since it uses less digits than its factorization.

3657056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3657056 is about 1912.3430654566. The cubic root of 3657056 is about 154.0673231254.

The spelling of 3657056 in words is "three million, six hundred fifty-seven thousand, fifty-six".