897385 has 8 divisors (see below), whose sum is σ = 1088136. Its totient is φ = 710400.

The previous prime is 897373. The next prime is 897401. The reversal of 897385 is 583798.

It can be written as a sum of positive squares in 4 ways, for example, as 301401 + 595984 = 549^2 + 772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 897385 - 2¹⁷ = 766313 is a prime.

It is a Duffinian number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 384 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (136017).

2⁸⁹⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

897385 is a deficient number, since it is larger than the sum of its proper divisors (190751).

897385 is a wasteful number, since it uses less digits than its factorization.

897385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its digits is 60480, while the sum is 40.

The square root of 897385 is about 947.3040694518. The cubic root of 897385 is about 96.4553383136.

The spelling of 897385 in words is "eight hundred ninety-seven thousand, three hundred eighty-five".