897750 has 128 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 194400.

The previous prime is 897727. The next prime is 897751. The reversal of 897750 is 57798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47241 + ... + 47259.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2⁸⁹⁷⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497600).

897750 is an abundant number, since it is smaller than the sum of its proper divisors (2097450).

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

897750 is a wasteful number, since it uses less digits than its factorization.

897750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 897750 is about 947.4967018412. The cubic root of 897750 is about 96.4684138707.

The spelling of 897750 in words is "eight hundred ninety-seven thousand, seven hundred fifty".