897390 has 72 divisors (see below), whose sum is σ = 2569320. Its totient is φ = 217152.

The previous prime is 897373. The next prime is 897401. The reversal of 897390 is 93798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15181 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (35685).

2⁸⁹⁷³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284660).

897390 is an abundant number, since it is smaller than the sum of its proper divisors (1671930).

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

897390 is a wasteful number, since it uses less digits than its factorization.

897390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 82 counting only the distinct ones).

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

The square root of 897390 is about 947.3067085163. The cubic root of 897390 is about 96.4555174548.

The spelling of 897390 in words is "eight hundred ninety-seven thousand, three hundred ninety".