3943397120 has 72 divisors (see below), whose sum is σ = 10172301216. Its totient is φ = 1456017408.

The previous prime is 3943397113. The next prime is 3943397189. The reversal of 3943397120 is 217933493.

It is a congruent number.

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, 101852 + ... + 135131.

Almost surely, 2^3943397120 is an apocalyptic number.

It is an amenable number.

3943397120 is an abundant number, since it is smaller than the sum of its proper divisors (6228904096).

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

3943397120 is a wasteful number, since it uses less digits than its factorization.

3943397120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237017 (or 237003 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 3943397120 is about 62796.4737863520. The cubic root of 3943397120 is about 1579.8778306435.

The spelling of 3943397120 in words is "three billion, nine hundred forty-three million, three hundred ninety-seven thousand, one hundred twenty".