8939394 has 24 divisors (see below), whose sum is σ = 19842732. Its totient is φ = 2906880.

The previous prime is 8939393. The next prime is 8939407. The reversal of 8939394 is 4939398.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 1238769 = 2775^2 + 1113^2 .

It is not an unprimeable number, because it can be changed into a prime (8939393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5319 + ... + 6794.

Almost surely, 2^8939394 is an apocalyptic number.

8939394 is an abundant number, since it is smaller than the sum of its proper divisors (10903338).

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

8939394 is a wasteful number, since it uses less digits than its factorization.

8939394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162 (or 12159 counting only the distinct ones).

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

The square root of 8939394 is about 2989.8819374684. The cubic root of 8939394 is about 207.5404208283.

The spelling of 8939394 in words is "eight million, nine hundred thirty-nine thousand, three hundred ninety-four".