876493 has 4 divisors (see below), whose sum is σ = 900220. Its totient is φ = 852768.

The previous prime is 876481. The next prime is 876497. The reversal of 876493 is 394678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394678 = 2 ⋅197339.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 514089 = 602^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 876493 - 2⁹ = 875981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 23689 = 876493 / (8 + 7 + 6 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11808 + ... + 11881.

It is an arithmetic number, because the mean of its divisors is an integer number (225055).

2⁸⁷⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

876493 is a deficient number, since it is larger than the sum of its proper divisors (23727).

876493 is a wasteful number, since it uses less digits than its factorization.

876493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23726.

The product of its digits is 36288, while the sum is 37.

The square root of 876493 is about 936.2120486300. The cubic root of 876493 is about 95.7009283464.

It can be divided in two parts, 876 and 493, that added together give a square (1369 = 37²).

The spelling of 876493 in words is "eight hundred seventy-six thousand, four hundred ninety-three".