871246940 has 96 divisors (see below), whose sum is σ = 2018193408. Its totient is φ = 314496000.

The previous prime is 871246891. The next prime is 871246973. The reversal of 871246940 is 49642178.

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 31 ways as a sum of consecutive naturals, for example, 1380425 + ... + 1381055.

It is an arithmetic number, because the mean of its divisors is an integer number (21022848).

Almost surely, 2^871246940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871246940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009096704).

871246940 is an abundant number, since it is smaller than the sum of its proper divisors (1146946468).

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

871246940 is a wasteful number, since it uses less digits than its factorization.

871246940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 871246940 is about 29516.8924516115. The cubic root of 871246940 is about 955.0961371745.

The spelling of 871246940 in words is "eight hundred seventy-one million, two hundred forty-six thousand, nine hundred forty".