877438 has 16 divisors (see below), whose sum is σ = 1411344. Its totient is φ = 407680.

The previous prime is 877423. The next prime is 877463. The reversal of 877438 is 834778.

It is a junction number, because it is equal to n+sod(n) for n = 877397 and 877406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356 + ... + 4552.

It is an arithmetic number, because the mean of its divisors is an integer number (88209).

2⁸⁷⁷⁴³⁸ is an apocalyptic number.

877438 is a deficient number, since it is larger than the sum of its proper divisors (533906).

877438 is a wasteful number, since it uses less digits than its factorization.

877438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its digits is 37632, while the sum is 37.

The square root of 877438 is about 936.7166060234. The cubic root of 877438 is about 95.7353096419.

It can be divided in two parts, 877 and 438, that multiplied together give a triangular number (384126 = T₈₇₆).

The spelling of 877438 in words is "eight hundred seventy-seven thousand, four hundred thirty-eight".