3609389 has 16 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 2907072.

The previous prime is 3609383. The next prime is 3609391. The reversal of 3609389 is 9839063.

It is a happy number.

It is not a de Polignac number, because 3609389 - 2¹² = 3605293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5522 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (279000).

Almost surely, 2^3609389 is an apocalyptic number.

It is an amenable number.

3609389 is a deficient number, since it is larger than the sum of its proper divisors (854611).

3609389 is an equidigital number, since it uses as much as digits as its factorization.

3609389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3609389 is about 1899.8392037223. The cubic root of 3609389 is about 153.3950093199.

The spelling of 3609389 in words is "three million, six hundred nine thousand, three hundred eighty-nine".