3964334520 has 32 divisors (see below), whose sum is σ = 11893003920. Its totient is φ = 1057155840.

The previous prime is 3964334503. The next prime is 3964334527. The reversal of 3964334520 is 254334693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964334527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16517941 + ... + 16518180.

Almost surely, 2^3964334520 is an apocalyptic number.

3964334520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3964334520 is an abundant number, since it is smaller than the sum of its proper divisors (7928669400).

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

3964334520 is a wasteful number, since it uses less digits than its factorization.

3964334520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33036135 (or 33036131 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 3964334520 is about 62962.9614932462. The cubic root of 3964334520 is about 1582.6690080522.

The spelling of 3964334520 in words is "three billion, nine hundred sixty-four million, three hundred thirty-four thousand, five hundred twenty".