3261916384 has 24 divisors (see below), whose sum is σ = 6459029640. Its totient is φ = 1621527936.

The previous prime is 3261916367. The next prime is 3261916393. The reversal of 3261916384 is 4836191623.

It is a super-3 number, since 3×3261916384³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3261916384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289074 + ... + 300145.

It is an arithmetic number, because the mean of its divisors is an integer number (269126235).

Almost surely, 2^3261916384 is an apocalyptic number.

It is an amenable number.

3261916384 is a deficient number, since it is larger than the sum of its proper divisors (3197113256).

3261916384 is a wasteful number, since it uses less digits than its factorization.

3261916384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589402 (or 589394 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3261916384 is about 57113.1892298093. The cubic root of 3261916384 is about 1483.0561973967.

The spelling of 3261916384 in words is "three billion, two hundred sixty-one million, nine hundred sixteen thousand, three hundred eighty-four".