3247320849 has 16 divisors (see below), whose sum is σ = 4673808000. Its totient is φ = 1999348736.

The previous prime is 3247320829. The next prime is 3247320859. The reversal of 3247320849 is 9480237423.

It is a cyclic number.

It is not a de Polignac number, because 3247320849 - 2²⁴ = 3230543633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3247320849.

It is not an unprimeable number, because it can be changed into a prime (3247320829) 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, 809424 + ... + 813425.

It is an arithmetic number, because the mean of its divisors is an integer number (292113000).

Almost surely, 2^3247320849 is an apocalyptic number.

It is an amenable number.

3247320849 is a deficient number, since it is larger than the sum of its proper divisors (1426487151).

3247320849 is a wasteful number, since it uses less digits than its factorization.

3247320849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622904.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 3247320849 is about 56985.2687016566. The cubic root of 3247320849 is about 1480.8408979851.

The spelling of 3247320849 in words is "three billion, two hundred forty-seven million, three hundred twenty thousand, eight hundred forty-nine".