3522688 has 64 divisors (see below), whose sum is σ = 7925400. Its totient is φ = 1548288.

The previous prime is 3522671. The next prime is 3522737. The reversal of 3522688 is 8862253.

It can be written as a sum of positive squares in 4 ways, for example, as 2585664 + 937024 = 1608^2 + 968^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48220 + ... + 48292.

Almost surely, 2^3522688 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 3522688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3962700).

3522688 is an abundant number, since it is smaller than the sum of its proper divisors (4402712).

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

3522688 is a wasteful number, since it uses less digits than its factorization.

3522688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 117 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 3522688 is about 1876.8825216300. The cubic root of 3522688 is about 152.1568095489.

The spelling of 3522688 in words is "three million, five hundred twenty-two thousand, six hundred eighty-eight".