900878 has 8 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 409480.

The previous prime is 900869. The next prime is 900917. The reversal of 900878 is 878009.

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

It is a congruent number.

It is an unprimeable number.

900878 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20453 + ... + 20496.

It is an arithmetic number, because the mean of its divisors is an integer number (184275).

2⁹⁰⁰⁸⁷⁸ is an apocalyptic number.

900878 is a deficient number, since it is larger than the sum of its proper divisors (573322).

900878 is a wasteful number, since it uses less digits than its factorization.

900878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40962.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 900878 is about 949.1459318777. The cubic root of 900878 is about 96.5803245409.

The spelling of 900878 in words is "nine hundred thousand, eight hundred seventy-eight".