799740 has 48 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 213120.

The previous prime is 799739. The next prime is 799741. The reversal of 799740 is 47997.

It is an interprime number because it is at equal distance from previous prime (799739) and next prime (799741).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 799695 and 799704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2⁷⁹⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

799740 is an abundant number, since it is smaller than the sum of its proper divisors (1690020).

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

799740 is a wasteful number, since it uses less digits than its factorization.

799740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 799740 is about 894.2818347702. The cubic root of 799740 is about 92.8217188068.

The spelling of 799740 in words is "seven hundred ninety-nine thousand, seven hundred forty".