3522560 has 60 divisors (see below), whose sum is σ = 8650488. Its totient is φ = 1376256.

The previous prime is 3522559. The next prime is 3522569. The reversal of 3522560 is 652253.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81899 + ... + 81941.

Almost surely, 2^3522560 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 3522560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4325244).

3522560 is an abundant number, since it is smaller than the sum of its proper divisors (5127928).

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

3522560 is an frugal number, since it uses more digits than its factorization.

3522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3522560 is about 1876.8484222227. The cubic root of 3522560 is about 152.1549666089.

The spelling of 3522560 in words is "three million, five hundred twenty-two thousand, five hundred sixty".