799438 has 4 divisors (see below), whose sum is σ = 1199160. Its totient is φ = 399718.

The previous prime is 799427. The next prime is 799441. The reversal of 799438 is 834997.

799438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834997 = 29 ⋅28793.

It is a super-2 number, since 2×799438² = 1278202231688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 799438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199858 + ... + 199861.

It is an arithmetic number, because the mean of its divisors is an integer number (299790).

2⁷⁹⁹⁴³⁸ is an apocalyptic number.

799438 is a deficient number, since it is larger than the sum of its proper divisors (399722).

799438 is a wasteful number, since it uses less digits than its factorization.

799438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399721.

The product of its digits is 54432, while the sum is 40.

The square root of 799438 is about 894.1129682540. The cubic root of 799438 is about 92.8100334722.

The spelling of 799438 in words is "seven hundred ninety-nine thousand, four hundred thirty-eight".