8993394 has 12 divisors (see below), whose sum is σ = 19485726. Its totient is φ = 2997792.

The previous prime is 8993377. The next prime is 8993399. The reversal of 8993394 is 4933998.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 1292769 = 2775^2 + 1137^2 .

It is a super-2 number, since 2×8993394² = 161762271278472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8993399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249799 + ... + 249834.

Almost surely, 2^8993394 is an apocalyptic number.

8993394 is an abundant number, since it is smaller than the sum of its proper divisors (10492332).

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

8993394 is a wasteful number, since it uses less digits than its factorization.

8993394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499641 (or 499638 counting only the distinct ones).

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

The square root of 8993394 is about 2998.8987978923. The cubic root of 8993394 is about 207.9574771308.

The spelling of 8993394 in words is "eight million, nine hundred ninety-three thousand, three hundred ninety-four".