897798 has 32 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 266400.

The previous prime is 897781. The next prime is 897817.

897798 is nontrivially palindromic in base 10.

897798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915 + ... + 4137.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2⁸⁹⁷⁷⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999936).

897798 is an abundant number, since it is smaller than the sum of its proper divisors (1102074).

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

897798 is a wasteful number, since it uses less digits than its factorization.

897798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its digits is 254016, while the sum is 48.

The square root of 897798 is about 947.5220314061. The cubic root of 897798 is about 96.4701331323.

It can be divided in two parts, 897 and 798, that multiplied together give a triangular number (715806 = T₁₁₉₆).

The spelling of 897798 in words is "eight hundred ninety-seven thousand, seven hundred ninety-eight".