3943870324 has 24 divisors (see below), whose sum is σ = 7317458568. Its totient is φ = 1853475840.

The previous prime is 3943870297. The next prime is 3943870327. The reversal of 3943870324 is 4230783493.

It can be written as a sum of positive squares in 4 ways, for example, as 232867600 + 3711002724 = 15260^2 + 60918^2 .

It is a super-2 number, since 2×3943870324² = 31108226265055729952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943870327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13642 + ... + 89854.

It is an arithmetic number, because the mean of its divisors is an integer number (304894107).

Almost surely, 2^3943870324 is an apocalyptic number.

3943870324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3943870324 is a deficient number, since it is larger than the sum of its proper divisors (3373588244).

3943870324 is a wasteful number, since it uses less digits than its factorization.

3943870324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76995 (or 76993 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 3943870324 is about 62800.2414326569. The cubic root of 3943870324 is about 1579.9410227411.

The spelling of 3943870324 in words is "three billion, nine hundred forty-three million, eight hundred seventy thousand, three hundred twenty-four".