799631 has 6 divisors (see below), whose sum is σ = 930240. Its totient is φ = 685356.

The previous prime is 799621. The next prime is 799633. The reversal of 799631 is 136997.

It is not a de Polignac number, because 799631 - 2¹⁴ = 783247 is a prime.

It is a super-2 number, since 2×799631² = 1278819472322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 799591 and 799600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8111 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (155040).

2⁷⁹⁹⁶³¹ is an apocalyptic number.

799631 is a deficient number, since it is larger than the sum of its proper divisors (130609).

799631 is a wasteful number, since it uses less digits than its factorization.

799631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333 (or 16326 counting only the distinct ones).

The product of its digits is 10206, while the sum is 35.

The square root of 799631 is about 894.2208899372. The cubic root of 799631 is about 92.8175015916.

The spelling of 799631 in words is "seven hundred ninety-nine thousand, six hundred thirty-one".