8993385 has 12 divisors (see below), whose sum is σ = 15588612. Its totient is φ = 4796448.

The previous prime is 8993377. The next prime is 8993399. The reversal of 8993385 is 5833998.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 2985984 = 2451^2 + 1728^2 .

It is not a de Polignac number, because 8993385 - 2³ = 8993377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 199853 = 8993385 / (8 + 9 + 9 + 3 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 8993385.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 99882 + ... + 99971.

It is an arithmetic number, because the mean of its divisors is an integer number (1299051).

Almost surely, 2^8993385 is an apocalyptic number.

It is an amenable number.

8993385 is a deficient number, since it is larger than the sum of its proper divisors (6595227).

8993385 is a wasteful number, since it uses less digits than its factorization.

8993385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199864 (or 199861 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 8993385 is about 2998.8972973411. The cubic root of 8993385 is about 207.9574077607.

The spelling of 8993385 in words is "eight million, nine hundred ninety-three thousand, three hundred eighty-five".