3996133620 has 96 divisors (see below), whose sum is σ = 11947364352. Its totient is φ = 995584128.

The previous prime is 3996133573. The next prime is 3996133621. The reversal of 3996133620 is 263316993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996133621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25669 + ... + 93011.

It is an arithmetic number, because the mean of its divisors is an integer number (124451712).

Almost surely, 2^3996133620 is an apocalyptic number.

3996133620 is a gapful number since it is divisible by the number (30) 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 3996133620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5973682176).

3996133620 is an abundant number, since it is smaller than the sum of its proper divisors (7951230732).

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

3996133620 is a wasteful number, since it uses less digits than its factorization.

3996133620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67421 (or 67419 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 3996133620 is about 63214.9793957097. The cubic root of 3996133620 is about 1586.8894291155.

The spelling of 3996133620 in words is "three billion, nine hundred ninety-six million, one hundred thirty-three thousand, six hundred twenty".