897888 has 48 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 291456.

The previous prime is 897887. The next prime is 897899. The reversal of 897888 is 888798.

It is a happy number.

897888 is digitally balanced in base 2, 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 Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897881) 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, 4413 + ... + 4611.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁸⁹⁷⁸⁸⁸ 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 897888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

897888 is an abundant number, since it is smaller than the sum of its proper divisors (1521312).

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

897888 is a wasteful number, since it uses less digits than its factorization.

897888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 251 counting only the distinct ones).

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

The square root of 897888 is about 947.5695225154. The cubic root of 897888 is about 96.4733565827.

The spelling of 897888 in words is "eight hundred ninety-seven thousand, eight hundred eighty-eight".