878449 has 8 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 737040.

The previous prime is 878443. The next prime is 878453. The reversal of 878449 is 944878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878449 - 2⁹ = 877937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 3214.

It is an arithmetic number, because the mean of its divisors is an integer number (129024).

2⁸⁷⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

878449 is a deficient number, since it is larger than the sum of its proper divisors (153743).

878449 is a wasteful number, since it uses less digits than its factorization.

878449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

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

The square root of 878449 is about 937.2561016072. The cubic root of 878449 is about 95.7720648497.

The spelling of 878449 in words is "eight hundred seventy-eight thousand, four hundred forty-nine".