3247442861 has 16 divisors (see below), whose sum is σ = 3587337600. Its totient is φ = 2920760640.

The previous prime is 3247442839. The next prime is 3247442903. The reversal of 3247442861 is 1682447423.

It is a cyclic number.

It is not a de Polignac number, because 3247442861 - 2⁶ = 3247442797 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 (3247442161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228440 + ... + 242238.

It is an arithmetic number, because the mean of its divisors is an integer number (224208600).

Almost surely, 2^3247442861 is an apocalyptic number.

It is an amenable number.

3247442861 is a deficient number, since it is larger than the sum of its proper divisors (339894739).

3247442861 is a wasteful number, since it uses less digits than its factorization.

3247442861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14276.

The product of its digits is 258048, while the sum is 41.

The square root of 3247442861 is about 56986.3392489814. The cubic root of 3247442861 is about 1480.8594443607.

The spelling of 3247442861 in words is "three billion, two hundred forty-seven million, four hundred forty-two thousand, eight hundred sixty-one".