897807 has 12 divisors (see below), whose sum is σ = 1264920. Its totient is φ = 566352.

The previous prime is 897781. The next prime is 897817. The reversal of 897807 is 708798.

897807 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 897807 - 2¹⁰ = 896783 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897807.

It is not an unprimeable number, because it can be changed into a prime (897817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (105410).

2⁸⁹⁷⁸⁰⁷ is an apocalyptic number.

897807 is a deficient number, since it is larger than the sum of its proper divisors (367113).

897807 is a wasteful number, since it uses less digits than its factorization.

897807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 897807 is about 947.5267806242. The cubic root of 897807 is about 96.4704554870.

The spelling of 897807 in words is "eight hundred ninety-seven thousand, eight hundred seven".