797321 has 4 divisors (see below), whose sum is σ = 911232. Its totient is φ = 683412.

The previous prime is 797311. The next prime is 797333. The reversal of 797321 is 123797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123797 = 43 ⋅2879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (797311) 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, 56945 + ... + 56958.

It is an arithmetic number, because the mean of its divisors is an integer number (227808).

2⁷⁹⁷³²¹ is an apocalyptic number.

It is an amenable number.

797321 is a deficient number, since it is larger than the sum of its proper divisors (113911).

797321 is a wasteful number, since it uses less digits than its factorization.

797321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113910.

The product of its digits is 2646, while the sum is 29.

The square root of 797321 is about 892.9283285908. The cubic root of 797321 is about 92.7280373162.

The spelling of 797321 in words is "seven hundred ninety-seven thousand, three hundred twenty-one".