6708538 has 4 divisors (see below), whose sum is σ = 10062810. Its totient is φ = 3354268.

The previous prime is 6708517. The next prime is 6708563. The reversal of 6708538 is 8358076.

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

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 88209 = 2573^2 + 297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6708497 and 6708506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1677133 + ... + 1677136.

Almost surely, 2^6708538 is an apocalyptic number.

6708538 is a deficient number, since it is larger than the sum of its proper divisors (3354272).

6708538 is a wasteful number, since it uses less digits than its factorization.

6708538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354271.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 6708538 is about 2590.0845546043. The cubic root of 6708538 is about 188.6004080588.

The spelling of 6708538 in words is "six million, seven hundred eight thousand, five hundred thirty-eight".