797731 has 8 divisors (see below), whose sum is σ = 889344. Its totient is φ = 709320.

The previous prime is 797729. The next prime is 797743. The reversal of 797731 is 137797.

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

It is a cyclic number.

It is not a de Polignac number, because 797731 - 2¹ = 797729 is a prime.

It is a super-2 number, since 2×797731² = 1272749496722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (111168).

2⁷⁹⁷⁷³¹ is an apocalyptic number.

797731 is a deficient number, since it is larger than the sum of its proper divisors (91613).

797731 is a wasteful number, since it uses less digits than its factorization.

797731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 9261, while the sum is 34.

The square root of 797731 is about 893.1578807803. The cubic root of 797731 is about 92.7439288582.

It can be divided in two parts, 7977 and 31, that added together give a palindrome (8008).

The spelling of 797731 in words is "seven hundred ninety-seven thousand, seven hundred thirty-one".