3969340536 has 64 divisors (see below), whose sum is σ = 11378062080. Its totient is φ = 1130388480.

The previous prime is 3969340493. The next prime is 3969340553. The reversal of 3969340536 is 6350439693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13096 + ... + 90056.

It is an arithmetic number, because the mean of its divisors is an integer number (177782220).

Almost surely, 2^3969340536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3969340536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5689031040).

3969340536 is an abundant number, since it is smaller than the sum of its proper divisors (7408721544).

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

3969340536 is a wasteful number, since it uses less digits than its factorization.

3969340536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77284 (or 77280 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 48.

The square root of 3969340536 is about 63002.7026086977. The cubic root of 3969340536 is about 1583.3349066011.

The spelling of 3969340536 in words is "three billion, nine hundred sixty-nine million, three hundred forty thousand, five hundred thirty-six".