6497838 has 24 divisors (see below), whose sum is σ = 14127048. Its totient is φ = 2158512.

The previous prime is 6497837. The next prime is 6497851. The reversal of 6497838 is 8387946.

It is a happy number.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 6497793 and 6497802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497831) 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 11 ways as a sum of consecutive naturals, for example, 8020 + ... + 8792.

It is an arithmetic number, because the mean of its divisors is an integer number (588627).

Almost surely, 2^6497838 is an apocalyptic number.

6497838 is an abundant number, since it is smaller than the sum of its proper divisors (7629210).

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

6497838 is a wasteful number, since it uses less digits than its factorization.

6497838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1245 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6497838 is about 2549.0857184489. The cubic root of 6497838 is about 186.6048640358.

The spelling of 6497838 in words is "six million, four hundred ninety-seven thousand, eight hundred thirty-eight".