878342 has 4 divisors (see below), whose sum is σ = 1317516. Its totient is φ = 439170.

The previous prime is 878309. The next prime is 878359. The reversal of 878342 is 243878.

878342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 878299 and 878308.

It is a congruent number.

It is an unprimeable number.

878342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219584 + ... + 219587.

It is an arithmetic number, because the mean of its divisors is an integer number (329379).

2⁸⁷⁸³⁴² is an apocalyptic number.

878342 is a deficient number, since it is larger than the sum of its proper divisors (439174).

878342 is a wasteful number, since it uses less digits than its factorization.

878342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439173.

The product of its digits is 10752, while the sum is 32.

The square root of 878342 is about 937.1990183520. The cubic root of 878342 is about 95.7681761675.

The spelling of 878342 in words is "eight hundred seventy-eight thousand, three hundred forty-two".