3931324086 has 64 divisors (see below), whose sum is σ = 9046149120. Its totient is φ = 1130734080.

The previous prime is 3931324081. The next prime is 3931324087. The reversal of 3931324086 is 6804231393.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931324081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27360 + ... + 92796.

It is an arithmetic number, because the mean of its divisors is an integer number (141346080).

Almost surely, 2^3931324086 is an apocalyptic number.

3931324086 is an abundant number, since it is smaller than the sum of its proper divisors (5114825034).

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

3931324086 is a wasteful number, since it uses less digits than its factorization.

3931324086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65509.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 3931324086 is about 62700.2718175926. The cubic root of 3931324086 is about 1578.2638738768.

The spelling of 3931324086 in words is "three billion, nine hundred thirty-one million, three hundred twenty-four thousand, eighty-six".