793831 has 4 divisors (see below), whose sum is σ = 797472. Its totient is φ = 790192.

The previous prime is 793813. The next prime is 793841. The reversal of 793831 is 138397.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 793831 - 2¹¹ = 791783 is a prime.

It is a super-2 number, since 2×793831² = 1260335313122, which contains 22 as substring.

It is a Duffinian number.

793831 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 793793 and 793802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (199368).

2⁷⁹³⁸³¹ is an apocalyptic number.

793831 is the 564-th centered pentagonal number.

793831 is a deficient number, since it is larger than the sum of its proper divisors (3641).

793831 is a wasteful number, since it uses less digits than its factorization.

793831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 4536, while the sum is 31.

The square root of 793831 is about 890.9719411968. The cubic root of 793831 is about 92.5925443417.

The spelling of 793831 in words is "seven hundred ninety-three thousand, eight hundred thirty-one".