877240 has 64 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 276480.

The previous prime is 877237. The next prime is 877267. The reversal of 877240 is 42778.

877240 = 351² + 352² + ... + 357².

877240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 877199 and 877208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (38115).

2⁸⁷⁷²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219680).

877240 is an abundant number, since it is smaller than the sum of its proper divisors (1562120).

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

877240 is a wasteful number, since it uses less digits than its factorization.

877240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 877240 is about 936.6109117451. The cubic root of 877240 is about 95.7281079869.

The spelling of 877240 in words is "eight hundred seventy-seven thousand, two hundred forty".