878734 has 4 divisors (see below), whose sum is σ = 1318104. Its totient is φ = 439366.

The previous prime is 878719. The next prime is 878737. The reversal of 878734 is 437878.

878734 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 = 878693 and 878702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219682 + ... + 219685.

It is an arithmetic number, because the mean of its divisors is an integer number (329526).

2⁸⁷⁸⁷³⁴ is an apocalyptic number.

878734 is a deficient number, since it is larger than the sum of its proper divisors (439370).

878734 is a wasteful number, since it uses less digits than its factorization.

878734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439369.

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

The square root of 878734 is about 937.4081288318. The cubic root of 878734 is about 95.7824210143.

The spelling of 878734 in words is "eight hundred seventy-eight thousand, seven hundred thirty-four".