897641322 has 16 divisors (see below), whose sum is σ = 1798974912. Its totient is φ = 298598400.

The previous prime is 897641287. The next prime is 897641323. The reversal of 897641322 is 223146798.

897641322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (897641323) 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, 150679 + ... + 156522.

It is an arithmetic number, because the mean of its divisors is an integer number (112435932).

Almost surely, 2^897641322 is an apocalyptic number.

897641322 is an abundant number, since it is smaller than the sum of its proper divisors (901333590).

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

897641322 is a wasteful number, since it uses less digits than its factorization.

897641322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307693.

The product of its digits is 145152, while the sum is 42.

The square root of 897641322 is about 29960.6629098890. The cubic root of 897641322 is about 964.6452102103.

The spelling of 897641322 in words is "eight hundred ninety-seven million, six hundred forty-one thousand, three hundred twenty-two".