8103870 has 48 divisors (see below), whose sum is σ = 21265920. Its totient is φ = 2140992.

The previous prime is 8103863. The next prime is 8103923. The reversal of 8103870 is 783018.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11076 + ... + 11784.

It is an arithmetic number, because the mean of its divisors is an integer number (443040).

Almost surely, 2^8103870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8103870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10632960).

8103870 is an abundant number, since it is smaller than the sum of its proper divisors (13162050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8103870 is a wasteful number, since it uses less digits than its factorization.

8103870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 8103870 is about 2846.7297026588. The cubic root of 8103870 is about 200.8618639510.

Adding to 8103870 its reverse (783018), we get a palindrome (8886888).

The spelling of 8103870 in words is "eight million, one hundred three thousand, eight hundred seventy".