799040 has 56 divisors (see below), whose sum is σ = 2084832. Its totient is φ = 289280.

The previous prime is 799031. The next prime is 799061. The reversal of 799040 is 40997.

It is a junction number, because it is equal to n+sod(n) for n = 798994 and 799012.

It is a congruent number.

It is an unprimeable number.

799040 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, 3407 + ... + 3633.

2⁷⁹⁹⁰⁴⁰ 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 799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042416).

799040 is an abundant number, since it is smaller than the sum of its proper divisors (1285792).

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

799040 is a wasteful number, since it uses less digits than its factorization.

799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 799040 is about 893.8903735918. The cubic root of 799040 is about 92.7946290986.

It can be divided in two parts, 7990 and 40, that multiplied together give a triangular number (319600 = T₇₉₉).

The spelling of 799040 in words is "seven hundred ninety-nine thousand, forty".