793840 has 20 divisors (see below), whose sum is σ = 1845864. Its totient is φ = 317504.

The previous prime is 793813. The next prime is 793841. The reversal of 793840 is 48397.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 2.

It is a congruent number.

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

793840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4882 + ... + 5041.

2⁷⁹³⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

793840 is an abundant number, since it is smaller than the sum of its proper divisors (1052024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

793840 is a wasteful number, since it uses less digits than its factorization.

793840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 793840 is about 890.9769918466. The cubic root of 793840 is about 92.5928942607.

The spelling of 793840 in words is "seven hundred ninety-three thousand, eight hundred forty".