3209797349 has 8 divisors (see below), whose sum is σ = 3502695648. Its totient is φ = 2917082160.

The previous prime is 3209797321. The next prime is 3209797379. The reversal of 3209797349 is 9437979023.

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 3209797349 - 2⁸ = 3209797093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3209797349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3209797309) 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, 7742 + ... + 80495.

It is an arithmetic number, because the mean of its divisors is an integer number (437836956).

Almost surely, 2^3209797349 is an apocalyptic number.

It is an amenable number.

3209797349 is a deficient number, since it is larger than the sum of its proper divisors (292898299).

3209797349 is a wasteful number, since it uses less digits than its factorization.

3209797349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91555.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 3209797349 is about 56655.0734621358. The cubic root of 3209797349 is about 1475.1149731694.

The spelling of 3209797349 in words is "three billion, two hundred nine million, seven hundred ninety-seven thousand, three hundred forty-nine".