840793 has 4 divisors (see below), whose sum is σ = 844048. Its totient is φ = 837540.

The previous prime is 840767. The next prime is 840817. The reversal of 840793 is 397048.

It is a happy number.

840793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 840793 - 2⁵ = 840761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (211012).

2⁸⁴⁰⁷⁹³ is an apocalyptic number.

It is an amenable number.

840793 is a deficient number, since it is larger than the sum of its proper divisors (3255).

840793 is a wasteful number, since it uses less digits than its factorization.

840793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254.

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

The square root of 840793 is about 916.9476539040. The cubic root of 840793 is about 94.3835617863.

The spelling of 840793 in words is "eight hundred forty thousand, seven hundred ninety-three".