8870385 has 16 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 4663680.

The previous prime is 8870383. The next prime is 8870399. The reversal of 8870385 is 5830788.

It is not a de Polignac number, because 8870385 - 2¹ = 8870383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8870383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^8870385 is an apocalyptic number.

It is an amenable number.

8870385 is a deficient number, since it is larger than the sum of its proper divisors (5523855).

8870385 is a wasteful number, since it uses less digits than its factorization.

8870385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 8870385 is about 2978.3191568400. The cubic root of 8870385 is about 207.0049941618.

It can be divided in two parts, 88703 and 85, that added together give a palindrome (88788).

The spelling of 8870385 in words is "eight million, eight hundred seventy thousand, three hundred eighty-five".