3843639492 has 96 divisors (see below), whose sum is σ = 11192961024. Its totient is φ = 997324800.

The previous prime is 3843639487. The next prime is 3843639493. The reversal of 3843639492 is 2949363483.

It is not an unprimeable number, because it can be changed into a prime (3843639493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394788 + ... + 1397540.

It is an arithmetic number, because the mean of its divisors is an integer number (116593344).

Almost surely, 2^3843639492 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 3843639492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5596480512).

3843639492 is an abundant number, since it is smaller than the sum of its proper divisors (7349321532).

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

3843639492 is a wasteful number, since it uses less digits than its factorization.

3843639492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289 (or 4287 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The square root of 3843639492 is about 61997.0926092506. The cubic root of 3843639492 is about 1566.4416269691.

The spelling of 3843639492 in words is "three billion, eight hundred forty-three million, six hundred thirty-nine thousand, four hundred ninety-two".