791399 has 12 divisors (see below), whose sum is σ = 952128. Its totient is φ = 655200.

The previous prime is 791387. The next prime is 791411. The reversal of 791399 is 993197.

It is a happy number.

791399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (791387) and next prime (791411).

It is not a de Polignac number, because 791399 - 2¹⁶ = 725863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791309) 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, 1259 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2⁷⁹¹³⁹⁹ is an apocalyptic number.

791399 is a deficient number, since it is larger than the sum of its proper divisors (160729).

791399 is a wasteful number, since it uses less digits than its factorization.

791399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 559 counting only the distinct ones).

The product of its digits is 15309, while the sum is 38.

The square root of 791399 is about 889.6060926050. The cubic root of 791399 is about 92.4978913568.

It can be divided in two parts, 7913 and 99, that multiplied together give a palindrome (783387).

The spelling of 791399 in words is "seven hundred ninety-one thousand, three hundred ninety-nine".