922878 has 48 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 271440.

The previous prime is 922861. The next prime is 922897. The reversal of 922878 is 878229.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 922878.

It is an unprimeable number.

922878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11643 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2⁹²²⁸⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123200).

922878 is an abundant number, since it is smaller than the sum of its proper divisors (1323522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

922878 is a wasteful number, since it uses less digits than its factorization.

922878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 154 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 922878 is about 960.6653944012. The cubic root of 922878 is about 97.3601941045.

The spelling of 922878 in words is "nine hundred twenty-two thousand, eight hundred seventy-eight".