3921849484 has 24 divisors (see below), whose sum is σ = 8055692960. Its totient is φ = 1635365376.

The previous prime is 3921849479. The next prime is 3921849499. The reversal of 3921849484 is 4849481293.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891749 + ... + 1893820.

Almost surely, 2^3921849484 is an apocalyptic number.

It is an amenable number.

3921849484 is an abundant number, since it is smaller than the sum of its proper divisors (4133843476).

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

3921849484 is a wasteful number, since it uses less digits than its factorization.

3921849484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785617 (or 3785615 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 3921849484 is about 62624.6715280807. The cubic root of 3921849484 is about 1576.9949671369.

The spelling of 3921849484 in words is "three billion, nine hundred twenty-one million, eight hundred forty-nine thousand, four hundred eighty-four".