8870913 has 6 divisors (see below), whose sum is σ = 12813554. Its totient is φ = 5913936.

The previous prime is 8870909. The next prime is 8870947. The reversal of 8870913 is 3190788.

It can be written as a sum of positive squares in only one way, i.e., 7884864 + 986049 = 2808^2 + 993^2 .

It is not a de Polignac number, because 8870913 - 2² = 8870909 is a prime.

It is a super-3 number, since 3×8870913³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8870993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492820 + ... + 492837.

Almost surely, 2^8870913 is an apocalyptic number.

It is an amenable number.

8870913 is a deficient number, since it is larger than the sum of its proper divisors (3942641).

8870913 is a wasteful number, since it uses less digits than its factorization.

8870913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985663 (or 985660 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8870913 is about 2978.4077961219. The cubic root of 8870913 is about 207.0091013292.

The spelling of 8870913 in words is "eight million, eight hundred seventy thousand, nine hundred thirteen".