897530 has 8 divisors (see below), whose sum is σ = 1615572. Its totient is φ = 359008.

The previous prime is 897527. The next prime is 897553. The reversal of 897530 is 35798.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 8281 = 943^2 + 91^2 .

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

It is a Curzon number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44867 + ... + 44886.

2⁸⁹⁷⁵³⁰ is an apocalyptic number.

897530 is a deficient number, since it is larger than the sum of its proper divisors (718042).

897530 is a wasteful number, since it uses less digits than its factorization.

897530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89760.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 897530 is about 947.3805993369. The cubic root of 897530 is about 96.4605331374.

The spelling of 897530 in words is "eight hundred ninety-seven thousand, five hundred thirty".