791938 has 12 divisors (see below), whose sum is σ = 1382022. Its totient is φ = 339360.

The previous prime is 791933. The next prime is 791951. The reversal of 791938 is 839197.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 74529 = 847^2 + 273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 791897 and 791906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791933) by changing a digit.

791938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3943 + ... + 4138.

2⁷⁹¹⁹³⁸ is an apocalyptic number.

791938 is a deficient number, since it is larger than the sum of its proper divisors (590084).

791938 is a wasteful number, since it uses less digits than its factorization.

791938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097 (or 8090 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 791938 is about 889.9089841102. The cubic root of 791938 is about 92.5188858443.

The spelling of 791938 in words is "seven hundred ninety-one thousand, nine hundred thirty-eight".