799540 has 24 divisors (see below), whose sum is σ = 1919232. Its totient is φ = 274080.

The previous prime is 799529. The next prime is 799543. The reversal of 799540 is 45997.

It is a super-3 number, since 3×799540³ = 1533351923227992000, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 799496 and 799505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799543) by changing a digit.

799540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 2995.

It is an arithmetic number, because the mean of its divisors is an integer number (79968).

2⁷⁹⁹⁵⁴⁰ is an apocalyptic number.

799540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

799540 is an abundant number, since it is smaller than the sum of its proper divisors (1119692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799540 is a wasteful number, since it uses less digits than its factorization.

799540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727 (or 5725 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 799540 is about 894.1700062069. The cubic root of 799540 is about 92.8139805037.

The spelling of 799540 in words is "seven hundred ninety-nine thousand, five hundred forty".