3609091 has 8 divisors (see below), whose sum is σ = 3868704. Its totient is φ = 3358080.

The previous prime is 3609071. The next prime is 3609097. The reversal of 3609091 is 1909063.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3609091 - 2⁵ = 3609059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609097) 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, 1270 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (483588).

Almost surely, 2^3609091 is an apocalyptic number.

3609091 is a deficient number, since it is larger than the sum of its proper divisors (259613).

3609091 is a wasteful number, since it uses less digits than its factorization.

3609091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 3609091 is about 1899.7607744135. The cubic root of 3609091 is about 153.3907876478.

Subtracting from 3609091 its sum of digits (28), we obtain a palindrome (3609063).

The spelling of 3609091 in words is "three million, six hundred nine thousand, ninety-one".