897930 has 48 divisors (see below), whose sum is σ = 2549664. Its totient is φ = 217440.

The previous prime is 897907. The next prime is 897931. The reversal of 897930 is 39798.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897930.

It is not an unprimeable number, because it can be changed into a prime (897931) by changing a digit.

897930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (53118).

2⁸⁹⁷⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274832).

897930 is an abundant number, since it is smaller than the sum of its proper divisors (1651734).

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

897930 is a wasteful number, since it uses less digits than its factorization.

897930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 897930 is about 947.5916842185. The cubic root of 897930 is about 96.4748607858.

It can be divided in two parts, 8979 and 30, that added together give a palindrome (9009).

The spelling of 897930 in words is "eight hundred ninety-seven thousand, nine hundred thirty".