3992932656 has 120 divisors (see below), whose sum is σ = 11420871696. Its totient is φ = 1301813760.

The previous prime is 3992932651. The next prime is 3992932661. The reversal of 3992932656 is 6562392993.

3992932656 is a `hidden beast` number, since 3 + 99 + 293 + 265 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3992932651) and next prime (3992932661).

It is a super-2 number, since 2×3992932656² = 31887022390702428672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3992932651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3380386 + ... + 3381566.

Almost surely, 2^3992932656 is an apocalyptic number.

3992932656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3992932656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5710435848).

3992932656 is an abundant number, since it is smaller than the sum of its proper divisors (7427939040).

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

3992932656 is a wasteful number, since it uses less digits than its factorization.

3992932656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1682 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 54.

The square root of 3992932656 is about 63189.6562421414. The cubic root of 3992932656 is about 1586.4656083849.

The spelling of 3992932656 in words is "three billion, nine hundred ninety-two million, nine hundred thirty-two thousand, six hundred fifty-six".