3241686918 has 16 divisors (see below), whose sum is σ = 6492764736. Its totient is φ = 1078997160.

The previous prime is 3241686911. The next prime is 3241686997. The reversal of 3241686918 is 8196861423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3241686911) 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, 386796 + ... + 395087.

It is an arithmetic number, because the mean of its divisors is an integer number (405797796).

Almost surely, 2^3241686918 is an apocalyptic number.

3241686918 is an abundant number, since it is smaller than the sum of its proper divisors (3251077818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3241686918 is a wasteful number, since it uses less digits than its factorization.

3241686918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782579.

The product of its digits is 497664, while the sum is 48.

The square root of 3241686918 is about 56935.8140189459. The cubic root of 3241686918 is about 1479.9840085319.

The spelling of 3241686918 in words is "three billion, two hundred forty-one million, six hundred eighty-six thousand, nine hundred eighteen".