297888 has 48 divisors (see below), whose sum is σ = 816480. Its totient is φ = 94976.

The previous prime is 297881. The next prime is 297889. The reversal of 297888 is 888792.

It is a happy number.

297888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297881) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2²⁹⁷⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408240).

297888 is an abundant number, since it is smaller than the sum of its proper divisors (518592).

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

297888 is a wasteful number, since it uses less digits than its factorization.

297888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 297888 is about 545.7911688549. The cubic root of 297888 is about 66.7858313143.

The spelling of 297888 in words is "two hundred ninety-seven thousand, eight hundred eighty-eight".