803878 has 4 divisors (see below), whose sum is σ = 1205820. Its totient is φ = 401938.

The previous prime is 803867. The next prime is 803893. The reversal of 803878 is 878308.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

803878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200968 + ... + 200971.

It is an arithmetic number, because the mean of its divisors is an integer number (301455).

2⁸⁰³⁸⁷⁸ is an apocalyptic number.

803878 is a deficient number, since it is larger than the sum of its proper divisors (401942).

803878 is a wasteful number, since it uses less digits than its factorization.

803878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401941.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 803878 is about 896.5924380676. The cubic root of 803878 is about 92.9815356259.

It can be divided in two parts, 803 and 878, that added together give a square (1681 = 41²).

The spelling of 803878 in words is "eight hundred three thousand, eight hundred seventy-eight".