897793 has 4 divisors (see below), whose sum is σ = 966868. Its totient is φ = 828720.

The previous prime is 897781. The next prime is 897817. The reversal of 897793 is 397798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397798 = 2 ⋅198899.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 552049 = 588^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 897793 - 2¹⁷ = 766721 is a prime.

It is a Duffinian number.

897793 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34518 + ... + 34543.

It is an arithmetic number, because the mean of its divisors is an integer number (241717).

2⁸⁹⁷⁷⁹³ is an apocalyptic number.

It is an amenable number.

897793 is a deficient number, since it is larger than the sum of its proper divisors (69075).

897793 is a wasteful number, since it uses less digits than its factorization.

897793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69074.

The product of its digits is 95256, while the sum is 43.

The square root of 897793 is about 947.5193929414. The cubic root of 897793 is about 96.4699540454.

The spelling of 897793 in words is "eight hundred ninety-seven thousand, seven hundred ninety-three".