6838493 has 4 divisors (see below), whose sum is σ = 6915420. Its totient is φ = 6761568.

The previous prime is 6838487. The next prime is 6838511. The reversal of 6838493 is 3948386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2181529 + 4656964 = 1477^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 6838493 - 2¹² = 6834397 is a prime.

It is a super-2 number, since 2×6838493² = 93529973022098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6838493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838193) 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, 38330 + ... + 38507.

It is an arithmetic number, because the mean of its divisors is an integer number (1728855).

Almost surely, 2^6838493 is an apocalyptic number.

It is an amenable number.

6838493 is a deficient number, since it is larger than the sum of its proper divisors (76927).

6838493 is an equidigital number, since it uses as much as digits as its factorization.

6838493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76926.

The product of its digits is 124416, while the sum is 41.

The square root of 6838493 is about 2615.0512423278. The cubic root of 6838493 is about 189.8104573292.

The spelling of 6838493 in words is "six million, eight hundred thirty-eight thousand, four hundred ninety-three".