988878 has 16 divisors (see below), whose sum is σ = 2157696. Its totient is φ = 299640.

The previous prime is 988877. The next prime is 988901. The reversal of 988878 is 878889.

It is a happy number.

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 988878.

It is not an unprimeable number, because it can be changed into a prime (988877) 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, 7426 + ... + 7557.

It is an arithmetic number, because the mean of its divisors is an integer number (134856).

2⁹⁸⁸⁸⁷⁸ is an apocalyptic number.

988878 is an abundant number, since it is smaller than the sum of its proper divisors (1168818).

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

988878 is a wasteful number, since it uses less digits than its factorization.

988878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14999.

The product of its digits is 258048, while the sum is 48.

The square root of 988878 is about 994.4234510509. The cubic root of 988878 is about 99.6278836787.

The spelling of 988878 in words is "nine hundred eighty-eight thousand, eight hundred seventy-eight".