878368 has 12 divisors (see below), whose sum is σ = 1729350. Its totient is φ = 439168.

The previous prime is 878359. The next prime is 878377. The reversal of 878368 is 863878.

It is an interprime number because it is at equal distance from previous prime (878359) and next prime (878377).

It can be written as a sum of positive squares in only one way, i.e., 659344 + 219024 = 812^2 + 468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 878368.

It is an unprimeable number.

878368 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, 13693 + ... + 13756.

2⁸⁷⁸³⁶⁸ is an apocalyptic number.

It is an amenable number.

878368 is a deficient number, since it is larger than the sum of its proper divisors (850982).

878368 is a wasteful number, since it uses less digits than its factorization.

878368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27459 (or 27451 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 878368 is about 937.2128893693. The cubic root of 878368 is about 95.7691211100.

The spelling of 878368 in words is "eight hundred seventy-eight thousand, three hundred sixty-eight".