6831993 has 8 divisors (see below), whose sum is σ = 10410688. Its totient is φ = 3903984.

The previous prime is 6831991. The next prime is 6832003. The reversal of 6831993 is 3991386.

6831993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6831993 - 2¹ = 6831991 is a prime.

It is a super-2 number, since 2×6831993² = 93352256704098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6831991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162646 + ... + 162687.

It is an arithmetic number, because the mean of its divisors is an integer number (1301336).

Almost surely, 2^6831993 is an apocalyptic number.

It is an amenable number.

6831993 is a deficient number, since it is larger than the sum of its proper divisors (3578695).

6831993 is a wasteful number, since it uses less digits than its factorization.

6831993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325343.

The product of its digits is 34992, while the sum is 39.

The square root of 6831993 is about 2613.8081413906. The cubic root of 6831993 is about 189.7502998706.

The spelling of 6831993 in words is "six million, eight hundred thirty-one thousand, nine hundred ninety-three".