897620 has 24 divisors (see below), whose sum is σ = 1937544. Its totient is φ = 349056.

The previous prime is 897607. The next prime is 897629. The reversal of 897620 is 26798.

897620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 839056 = 242^2 + 916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897629) 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, 134 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (80731).

2⁸⁹⁷⁶²⁰ 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 897620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968772).

897620 is an abundant number, since it is smaller than the sum of its proper divisors (1039924).

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

897620 is a wasteful number, since it uses less digits than its factorization.

897620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 897620 is about 947.4280975356. The cubic root of 897620 is about 96.4637572294.

The spelling of 897620 in words is "eight hundred ninety-seven thousand, six hundred twenty".