3609712 has 40 divisors (see below), whose sum is σ = 7740576. Its totient is φ = 1622016.

The previous prime is 3609703. The next prime is 3609713. The reversal of 3609712 is 2179063.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5968 + ... + 6544.

Almost surely, 2^3609712 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 3609712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870288).

3609712 is an abundant number, since it is smaller than the sum of its proper divisors (4130864).

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

3609712 is a wasteful number, since it uses less digits than its factorization.

3609712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3609712 is about 1899.9242090147. The cubic root of 3609712 is about 153.3995848968.

The spelling of 3609712 in words is "three million, six hundred nine thousand, seven hundred twelve".