876644 has 12 divisors (see below), whose sum is σ = 1567104. Its totient is φ = 428904.

The previous prime is 876643. The next prime is 876647. The reversal of 876644 is 446678.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (876643) 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, 2144 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (130592).

2⁸⁷⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

876644 is a deficient number, since it is larger than the sum of its proper divisors (690460).

876644 is a wasteful number, since it uses less digits than its factorization.

876644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4712 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 876644 is about 936.2926892804. The cubic root of 876644 is about 95.7064237355.

The spelling of 876644 in words is "eight hundred seventy-six thousand, six hundred forty-four".