3609791 has 4 divisors (see below), whose sum is σ = 3799800. Its totient is φ = 3419784.

The previous prime is 3609787. The next prime is 3609799. The reversal of 3609791 is 1979063.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3609791 - 2² = 3609787 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 (3609799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94976 + ... + 95013.

It is an arithmetic number, because the mean of its divisors is an integer number (949950).

Almost surely, 2^3609791 is an apocalyptic number.

3609791 is a deficient number, since it is larger than the sum of its proper divisors (190009).

3609791 is a wasteful number, since it uses less digits than its factorization.

3609791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190008.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3609791 is about 1899.9449992039. The cubic root of 3609791 is about 153.4007039592.

The spelling of 3609791 in words is "three million, six hundred nine thousand, seven hundred ninety-one".