3943320897 has 8 divisors (see below), whose sum is σ = 5258065120. Its totient is φ = 2628728640.

The previous prime is 3943320883. The next prime is 3943320911. The reversal of 3943320897 is 7980233493.

It is an interprime number because it is at equal distance from previous prime (3943320883) and next prime (3943320911).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3943320897 - 2¹⁰ = 3943319873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3943320817) 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, 55254 + ... + 104592.

It is an arithmetic number, because the mean of its divisors is an integer number (657258140).

Almost surely, 2^3943320897 is an apocalyptic number.

It is an amenable number.

3943320897 is a deficient number, since it is larger than the sum of its proper divisors (1314744223).

3943320897 is a wasteful number, since it uses less digits than its factorization.

3943320897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75983.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 3943320897 is about 62795.8668783225. The cubic root of 3943320897 is about 1579.8676512813.

The spelling of 3943320897 in words is "three billion, nine hundred forty-three million, three hundred twenty thousand, eight hundred ninety-seven".