897318684 has 72 divisors (see below), whose sum is σ = 2479171968. Its totient is φ = 272424960.

The previous prime is 897318683. The next prime is 897318733. The reversal of 897318684 is 486813798.

It is a self number, because there is not a number n which added to its sum of digits gives 897318684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897318683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4677 + ... + 42620.

It is an arithmetic number, because the mean of its divisors is an integer number (34432944).

Almost surely, 2^897318684 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 897318684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239585984).

897318684 is an abundant number, since it is smaller than the sum of its proper divisors (1581853284).

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

897318684 is a wasteful number, since it uses less digits than its factorization.

897318684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47355 (or 47350 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 897318684 is about 29955.2780658100. The cubic root of 897318684 is about 964.5296226552.

The spelling of 897318684 in words is "eight hundred ninety-seven million, three hundred eighteen thousand, six hundred eighty-four".