8997385 has 4 divisors (see below), whose sum is σ = 10796868. Its totient is φ = 7197904.

The previous prime is 8997353. The next prime is 8997407. The reversal of 8997385 is 5837998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2886601 + 6110784 = 1699^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 8997385 - 2⁵ = 8997353 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 8⁷ + 9² + 9⁷ + 7³ + 3⁹ + 8⁷ + 5 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899734 + ... + 899743.

It is an arithmetic number, because the mean of its divisors is an integer number (2699217).

Almost surely, 2^8997385 is an apocalyptic number.

It is an amenable number.

8997385 is a deficient number, since it is larger than the sum of its proper divisors (1799483).

8997385 is a wasteful number, since it uses less digits than its factorization.

8997385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799482.

The product of its digits is 544320, while the sum is 49.

The square root of 8997385 is about 2999.5641350036. The cubic root of 8997385 is about 207.9882343567.

The spelling of 8997385 in words is "eight million, nine hundred ninety-seven thousand, three hundred eighty-five".