3387946789 has 4 divisors (see below), whose sum is σ = 3394141024. Its totient is φ = 3381752556.

The previous prime is 3387946781. The next prime is 3387946811. The reversal of 3387946789 is 9876497833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9876497833 = 727 ⋅13585279.

It is a cyclic number.

It is not a de Polignac number, because 3387946789 - 2³ = 3387946781 is a prime.

It is a super-2 number, since 2×3387946789² = 22956366890190821042, which contains 22 as substring.

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 3387946789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387946781) 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, 3096297 + ... + 3097390.

It is an arithmetic number, because the mean of its divisors is an integer number (848535256).

Almost surely, 2^3387946789 is an apocalyptic number.

It is an amenable number.

3387946789 is a deficient number, since it is larger than the sum of its proper divisors (6194235).

3387946789 is an equidigital number, since it uses as much as digits as its factorization.

3387946789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194234.

The product of its digits is 54867456, while the sum is 64.

The square root of 3387946789 is about 58206.0717537269. The cubic root of 3387946789 is about 1501.9155954362.

The spelling of 3387946789 in words is "three billion, three hundred eighty-seven million, nine hundred forty-six thousand, seven hundred eighty-nine".