799641 has 12 divisors (see below), whose sum is σ = 1205568. Its totient is φ = 509784.

The previous prime is 799637. The next prime is 799651. The reversal of 799641 is 146997.

799641 is a `hidden beast` number, since 7 + 9 + 9 + 641 = 666.

799641 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 799641 - 2² = 799637 is a prime.

799641 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 799596 and 799605.

It is not an unprimeable number, because it can be changed into a prime (799621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (100464).

2⁷⁹⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

799641 is a deficient number, since it is larger than the sum of its proper divisors (405927).

799641 is a wasteful number, since it uses less digits than its factorization.

799641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3889 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 799641 is about 894.2264813793. The cubic root of 799641 is about 92.8178885080.

The spelling of 799641 in words is "seven hundred ninety-nine thousand, six hundred forty-one".