3985532264 has 128 divisors (see below), whose sum is σ = 9309081600. Its totient is φ = 1561628160.

The previous prime is 3985532227. The next prime is 3985532279. The reversal of 3985532264 is 4622355893.

Together with 5323549335 it forms a betrothed pair.

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 31 ways as a sum of consecutive naturals, for example, 4492829 + ... + 4493715.

It is an arithmetic number, because the mean of its divisors is an integer number (72727200).

Almost surely, 2^3985532264 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 3985532264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4654540800).

3985532264 is an abundant number, since it is smaller than the sum of its proper divisors (5323549336).

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

3985532264 is a wasteful number, since it uses less digits than its factorization.

3985532264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1059 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The square root of 3985532264 is about 63131.0720960764. The cubic root of 3985532264 is about 1585.4848982954.

The spelling of 3985532264 in words is "three billion, nine hundred eighty-five million, five hundred thirty-two thousand, two hundred sixty-four".