878738 has 16 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 360096.

The previous prime is 878737. The next prime is 878743. The reversal of 878738 is 837878.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 878695 and 878704.

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 in 7 ways as a sum of consecutive naturals, for example, 1043 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

2⁸⁷⁸⁷³⁸ is an apocalyptic number.

878738 is a deficient number, since it is larger than the sum of its proper divisors (693742).

878738 is a wasteful number, since it uses less digits than its factorization.

878738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its digits is 75264, while the sum is 41.

The square root of 878738 is about 937.4102623718. The cubic root of 878738 is about 95.7825663480.

The spelling of 878738 in words is "eight hundred seventy-eight thousand, seven hundred thirty-eight".