876289 has 4 divisors (see below), whose sum is σ = 878256. Its totient is φ = 874324.

The previous prime is 876287. The next prime is 876301. The reversal of 876289 is 982678.

876289 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982678 = 2 ⋅491339.

It is a cyclic number.

It is not a de Polignac number, because 876289 - 2¹ = 876287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876287) 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, 42 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (219564).

2⁸⁷⁶²⁸⁹ is an apocalyptic number.

It is an amenable number.

876289 is a deficient number, since it is larger than the sum of its proper divisors (1967).

876289 is a wasteful number, since it uses less digits than its factorization.

876289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its digits is 48384, while the sum is 40.

The square root of 876289 is about 936.1030926132. The cubic root of 876289 is about 95.6935031096.

The spelling of 876289 in words is "eight hundred seventy-six thousand, two hundred eighty-nine".