3569664 has 96 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 1007616.

The previous prime is 3569653. The next prime is 3569707. The reversal of 3569664 is 4669653.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an Ulam number.

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, 42967 + ... + 43049.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

Almost surely, 2^3569664 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 3569664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

3569664 is an abundant number, since it is smaller than the sum of its proper divisors (7437696).

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

3569664 is an equidigital number, since it uses as much as digits as its factorization.

3569664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 95 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 3569664 is about 1889.3554456481. The cubic root of 3569664 is about 152.8301759614.

The spelling of 3569664 in words is "three million, five hundred sixty-nine thousand, six hundred sixty-four".