897144 has 32 divisors (see below), whose sum is σ = 2322000. Its totient is φ = 288512.

The previous prime is 897137. The next prime is 897157. The reversal of 897144 is 441798.

897144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 1340.

2⁸⁹⁷¹⁴⁴ 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 897144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161000).

897144 is an abundant number, since it is smaller than the sum of its proper divisors (1424856).

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

897144 is a wasteful number, since it uses less digits than its factorization.

897144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1323 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 897144 is about 947.1768578254. The cubic root of 897144 is about 96.4467029201.

The spelling of 897144 in words is "eight hundred ninety-seven thousand, one hundred forty-four".