8870685 has 32 divisors (see below), whose sum is σ = 15396480. Its totient is φ = 4343808.

The previous prime is 8870683. The next prime is 8870689. The reversal of 8870685 is 5860788.

It is a happy number.

It is not a de Polignac number, because 8870685 - 2¹ = 8870683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8870683) 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 31 ways as a sum of consecutive naturals, for example, 10561 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (481140).

Almost surely, 2^8870685 is an apocalyptic number.

8870685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8870685 is a deficient number, since it is larger than the sum of its proper divisors (6525795).

8870685 is a wasteful number, since it uses less digits than its factorization.

8870685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 8870685 is about 2978.3695203920. The cubic root of 8870685 is about 207.0073277996.

The spelling of 8870685 in words is "eight million, eight hundred seventy thousand, six hundred eighty-five".