897227380 has 48 divisors (see below), whose sum is σ = 2161103616. Its totient is φ = 306512640.

The previous prime is 897227369. The next prime is 897227381. The reversal of 897227380 is 83722798.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 897227380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897227381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27937 + ... + 50743.

It is an arithmetic number, because the mean of its divisors is an integer number (45022992).

Almost surely, 2^897227380 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 897227380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080551808).

897227380 is an abundant number, since it is smaller than the sum of its proper divisors (1263876236).

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

897227380 is a wasteful number, since it uses less digits than its factorization.

897227380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104 (or 23102 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 897227380 is about 29953.7540218250. The cubic root of 897227380 is about 964.4969072624.

The spelling of 897227380 in words is "eight hundred ninety-seven million, two hundred twenty-seven thousand, three hundred eighty".