871478 has 4 divisors (see below), whose sum is σ = 1307220. Its totient is φ = 435738.

The previous prime is 871477. The next prime is 871513. The reversal of 871478 is 874178.

871478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13 and base 15.

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 871478.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217868 + ... + 217871.

It is an arithmetic number, because the mean of its divisors is an integer number (326805).

2⁸⁷¹⁴⁷⁸ is an apocalyptic number.

871478 is a deficient number, since it is larger than the sum of its proper divisors (435742).

871478 is a wasteful number, since it uses less digits than its factorization.

871478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435741.

The product of its digits is 12544, while the sum is 35.

The square root of 871478 is about 933.5298602616. The cubic root of 871478 is about 95.5180562151.

The spelling of 871478 in words is "eight hundred seventy-one thousand, four hundred seventy-eight".