871673 has 8 divisors (see below), whose sum is σ = 960960. Its totient is φ = 784080.

The previous prime is 871657. The next prime is 871679. The reversal of 871673 is 376178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871673 - 2⁴ = 871657 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (871679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2⁸⁷¹⁶⁷³ is an apocalyptic number.

It is an amenable number.

871673 is a deficient number, since it is larger than the sum of its proper divisors (89287).

871673 is a wasteful number, since it uses less digits than its factorization.

871673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its digits is 7056, while the sum is 32.

The square root of 871673 is about 933.6342967137. The cubic root of 871673 is about 95.5251799872.

The spelling of 871673 in words is "eight hundred seventy-one thousand, six hundred seventy-three".