8943939 has 10 divisors (see below), whose sum is σ = 13360820. Its totient is φ = 5962572.

The previous prime is 8943937. The next prime is 8943943. The reversal of 8943939 is 9393498.

It is not a de Polignac number, because 8943939 - 2¹ = 8943937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8943894 and 8943903.

It is not an unprimeable number, because it can be changed into a prime (8943937) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55129 + ... + 55290.

It is an arithmetic number, because the mean of its divisors is an integer number (1336082).

Almost surely, 2^8943939 is an apocalyptic number.

8943939 is a deficient number, since it is larger than the sum of its proper divisors (4416881).

8943939 is a wasteful number, since it uses less digits than its factorization.

8943939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110431 (or 110422 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 8943939 is about 2990.6419043409. The cubic root of 8943939 is about 207.5755876937.

The spelling of 8943939 in words is "eight million, nine hundred forty-three thousand, nine hundred thirty-nine".