897969798 has 96 divisors (see below), whose sum is σ = 2200023072. Its totient is φ = 264496320.

The previous prime is 897969763. The next prime is 897969803.

897969798 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 885940 + ... + 886952.

It is an arithmetic number, because the mean of its divisors is an integer number (22916907).

Almost surely, 2^897969798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897969798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100011536).

897969798 is an abundant number, since it is smaller than the sum of its proper divisors (1302053274).

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

897969798 is a wasteful number, since it uses less digits than its factorization.

897969798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1066 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 72.

The square root of 897969798 is about 29966.1441964094. The cubic root of 897969798 is about 964.7628608242.

The spelling of 897969798 in words is "eight hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred ninety-eight".