873147 has 8 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 529160.

The previous prime is 873139. The next prime is 873157. The reversal of 873147 is 741378.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 873147 - 2³ = 873139 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873147.

It is not an unprimeable number, because it can be changed into a prime (873157) 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, 13197 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2⁸⁷³¹⁴⁷ is an apocalyptic number.

873147 is a deficient number, since it is larger than the sum of its proper divisors (396933).

873147 is a wasteful number, since it uses less digits than its factorization.

873147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26473.

The product of its digits is 4704, while the sum is 30.

The square root of 873147 is about 934.4233515918. The cubic root of 873147 is about 95.5789940601.

Subtracting from 873147 its reverse (741378), we obtain a square (131769 = 363²).

It can be divided in two parts, 8731 and 47, that added together give a palindrome (8778).

The spelling of 873147 in words is "eight hundred seventy-three thousand, one hundred forty-seven".