871470 has 48 divisors (see below), whose sum is σ = 2369952. Its totient is φ = 221760.

The previous prime is 871463. The next prime is 871477. The reversal of 871470 is 74178.

871470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (871463) and next prime (871477).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 871470.

It is not an unprimeable number, because it can be changed into a prime (871477) by changing a digit.

871470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (49374).

2⁸⁷¹⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184976).

871470 is an abundant number, since it is smaller than the sum of its proper divisors (1498482).

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

871470 is a wasteful number, since it uses less digits than its factorization.

871470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 871470 is about 933.5255754397. The cubic root of 871470 is about 95.5177639351.

The spelling of 871470 in words is "eight hundred seventy-one thousand, four hundred seventy".