897507 has 16 divisors (see below), whose sum is σ = 1432480. Its totient is φ = 552096.

The previous prime is 897499. The next prime is 897517. The reversal of 897507 is 705798.

It is not a de Polignac number, because 897507 - 2³ = 897499 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897507.

It is not an unprimeable number, because it can be changed into a prime (897517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (89530).

2⁸⁹⁷⁵⁰⁷ is an apocalyptic number.

897507 is a deficient number, since it is larger than the sum of its proper divisors (534973).

897507 is a wasteful number, since it uses less digits than its factorization.

897507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2573 counting only the distinct ones).

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

The square root of 897507 is about 947.3684605263. The cubic root of 897507 is about 96.4597091682.

The spelling of 897507 in words is "eight hundred ninety-seven thousand, five hundred seven".