3609320 has 64 divisors (see below), whose sum is σ = 9555840. Its totient is φ = 1209600.

The previous prime is 3609301. The next prime is 3609329. The reversal of 3609320 is 239063.

It is a happy number.

3609320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3609329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5405 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (149310).

Almost surely, 2^3609320 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 3609320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4777920).

3609320 is an abundant number, since it is smaller than the sum of its proper divisors (5946520).

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

3609320 is a wasteful number, since it uses less digits than its factorization.

3609320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3609320 is about 1899.8210442039. The cubic root of 3609320 is about 153.3940318393.

The spelling of 3609320 in words is "three million, six hundred nine thousand, three hundred twenty".