3964656852 has 108 divisors (see below), whose sum is σ = 10883867904. Its totient is φ = 1216313280.

The previous prime is 3964656841. The next prime is 3964656863. The reversal of 3964656852 is 2586564693.

3964656852 is a `hidden beast` number, since 39 + 6 + 46 + 568 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3964656841) and next prime (3964656863).

It is a super-2 number, since 2×3964656852² = 31437007908221099808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 2694477 + ... + 2695947.

Almost surely, 2^3964656852 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 3964656852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5441933952).

3964656852 is an abundant number, since it is smaller than the sum of its proper divisors (6919211052).

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

3964656852 is a wasteful number, since it uses less digits than its factorization.

3964656852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1932 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 3964656852 is about 62965.5211365712. The cubic root of 3964656852 is about 1582.7119014254.

The spelling of 3964656852 in words is "three billion, nine hundred sixty-four million, six hundred fifty-six thousand, eight hundred fifty-two".