797631 has 8 divisors (see below), whose sum is σ = 1074864. Its totient is φ = 526080.

The previous prime is 797627. The next prime is 797633. The reversal of 797631 is 136797.

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

It is not a de Polignac number, because 797631 - 2² = 797627 is a prime.

It is a super-2 number, since 2×797631² = 1272430424322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 797592 and 797601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (134358).

2⁷⁹⁷⁶³¹ is an apocalyptic number.

797631 is a deficient number, since it is larger than the sum of its proper divisors (277233).

797631 is a wasteful number, since it uses less digits than its factorization.

797631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 7938, while the sum is 33.

The square root of 797631 is about 893.1018978818. The cubic root of 797631 is about 92.7400533745.

The spelling of 797631 in words is "seven hundred ninety-seven thousand, six hundred thirty-one".