897827328 has 100 divisors (see below), whose sum is σ = 2679901950. Its totient is φ = 299261952.

The previous prime is 897827297. The next prime is 897827339. The reversal of 897827328 is 823728798.

It can be written as a sum of positive squares in only one way, i.e., 804743424 + 93083904 = 28368^2 + 9648^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30648 + ... + 52296.

Almost surely, 2^897827328 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 897827328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339950975).

897827328 is an abundant number, since it is smaller than the sum of its proper divisors (1782074622).

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

897827328 is an equidigital number, since it uses as much as digits as its factorization.

897827328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21679 (or 21654 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 897827328 is about 29963.7669193978. The cubic root of 897827328 is about 964.7118357100.

The spelling of 897827328 in words is "eight hundred ninety-seven million, eight hundred twenty-seven thousand, three hundred twenty-eight".