878698 has 4 divisors (see below), whose sum is σ = 1318050. Its totient is φ = 439348.

The previous prime is 878681. The next prime is 878699. The reversal of 878698 is 896878.

878698 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 can be written as a sum of positive squares in only one way, i.e., 877969 + 729 = 937^2 + 27^2 .

It is a super-2 number, since 2×878698² = 1544220350408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (878699) by changing a digit.

878698 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, 219673 + ... + 219676.

2⁸⁷⁸⁶⁹⁸ is an apocalyptic number.

878698 is a deficient number, since it is larger than the sum of its proper divisors (439352).

878698 is a wasteful number, since it uses less digits than its factorization.

878698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439351.

The product of its digits is 193536, while the sum is 46.

The square root of 878698 is about 937.3889267535. The cubic root of 878698 is about 95.7811129908.

The spelling of 878698 in words is "eight hundred seventy-eight thousand, six hundred ninety-eight".