876640 has 24 divisors (see below), whose sum is σ = 2071440. Its totient is φ = 350592.

The previous prime is 876619. The next prime is 876643. The reversal of 876640 is 46678.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876643) by changing a digit.

876640 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (86310).

2⁸⁷⁶⁶⁴⁰ is an apocalyptic number.

876640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

876640 is an abundant number, since it is smaller than the sum of its proper divisors (1194800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

876640 is a wasteful number, since it uses less digits than its factorization.

876640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 876640 is about 936.2905531938. The cubic root of 876640 is about 95.7062781704.

The spelling of 876640 in words is "eight hundred seventy-six thousand, six hundred forty".