797834 has 4 divisors (see below), whose sum is σ = 1196754. Its totient is φ = 398916.

The previous prime is 797833. The next prime is 797851. The reversal of 797834 is 438797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438797 = 523 ⋅839.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 70225 = 853^2 + 265^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (797833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199457 + ... + 199460.

2⁷⁹⁷⁸³⁴ is an apocalyptic number.

797834 is a deficient number, since it is larger than the sum of its proper divisors (398920).

797834 is a wasteful number, since it uses less digits than its factorization.

797834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398919.

The product of its digits is 42336, while the sum is 38.

The square root of 797834 is about 893.2155394976. The cubic root of 797834 is about 92.7479202678.

The spelling of 797834 in words is "seven hundred ninety-seven thousand, eight hundred thirty-four".