877940 has 24 divisors (see below), whose sum is σ = 2107392. Its totient is φ = 300960.

The previous prime is 877939. The next prime is 877949. The reversal of 877940 is 49778.

877940 = T₆ + T₇ + ... + T₁₇₃.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 877940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (87808).

2⁸⁷⁷⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

877940 is an abundant number, since it is smaller than the sum of its proper divisors (1229452).

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

877940 is a wasteful number, since it uses less digits than its factorization.

877940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 877940 is about 936.9845249523. The cubic root of 877940 is about 95.7535635293.

The spelling of 877940 in words is "eight hundred seventy-seven thousand, nine hundred forty".