878536 has 16 divisors (see below), whose sum is σ = 1658700. Its totient is φ = 436224.

The previous prime is 878513. The next prime is 878539. The reversal of 878536 is 635878.

It can be written as a sum of positive squares in 2 ways, for example, as 792100 + 86436 = 890^2 + 294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 878495 and 878504.

It is not an unprimeable number, because it can be changed into a prime (878539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260 + ... + 1828.

2⁸⁷⁸⁵³⁶ is an apocalyptic number.

It is an amenable number.

878536 is a deficient number, since it is larger than the sum of its proper divisors (780164).

878536 is a wasteful number, since it uses less digits than its factorization.

878536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 764 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 878536 is about 937.3025125326. The cubic root of 878536 is about 95.7752264427.

The spelling of 878536 in words is "eight hundred seventy-eight thousand, five hundred thirty-six".