876440 has 16 divisors (see below), whose sum is σ = 1972080. Its totient is φ = 350560.

The previous prime is 876433. The next prime is 876443. The reversal of 876440 is 44678.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 876440.

It is not an unprimeable number, because it can be changed into a prime (876443) 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, 10916 + ... + 10995.

It is an arithmetic number, because the mean of its divisors is an integer number (123255).

2⁸⁷⁶⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

876440 is an abundant number, since it is smaller than the sum of its proper divisors (1095640).

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

876440 is a wasteful number, since it uses less digits than its factorization.

876440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922 (or 21918 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 876440 is about 936.1837426488. The cubic root of 876440 is about 95.6989993515.

The spelling of 876440 in words is "eight hundred seventy-six thousand, four hundred forty".