3243985936 has 45 divisors (see below), whose sum is σ = 6522712573. Its totient is φ = 1562872640.

The previous prime is 3243985933. The next prime is 3243985939. The reversal of 3243985936 is 6395893423.

The square root of 3243985936 is 56956.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (3243985933) and next prime (3243985939).

It can be written as a sum of positive squares in only one way, i.e., 1701067536 + 1542918400 = 41244^2 + 39280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243985931) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6606651 + ... + 6607141.

Almost surely, 2^3243985936 is an apocalyptic number.

3243985936 is the 56956-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3243985936

3243985936 is an abundant number, since it is smaller than the sum of its proper divisors (3278726637).

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

3243985936 is an frugal number, since it uses more digits than its factorization.

3243985936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 522 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 52.

The cubic root of 3243985936 is about 1480.3337961497. Note that the first 3 decimals are identical.

The spelling of 3243985936 in words is "three billion, two hundred forty-three million, nine hundred eighty-five thousand, nine hundred thirty-six".