871096940 has 48 divisors (see below), whose sum is σ = 2181537792. Its totient is φ = 285675456.

The previous prime is 871096879. The next prime is 871096981. The reversal of 871096940 is 49690178.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 871096891 and 871096900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132044 + ... + 138483.

It is an arithmetic number, because the mean of its divisors is an integer number (45448704).

Almost surely, 2^871096940 is an apocalyptic number.

It is an amenable number.

871096940 is an abundant number, since it is smaller than the sum of its proper divisors (1310440852).

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

871096940 is a wasteful number, since it uses less digits than its factorization.

871096940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270566 (or 270564 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 871096940 is about 29514.3514243495. The cubic root of 871096940 is about 955.0413220061.

It can be divided in two parts, 87109 and 6940, that added together give a palindrome (94049).

The spelling of 871096940 in words is "eight hundred seventy-one million, ninety-six thousand, nine hundred forty".