6958138 has 16 divisors (see below), whose sum is σ = 11430720. Its totient is φ = 3150400.

The previous prime is 6958111. The next prime is 6958157. The reversal of 6958138 is 8318596.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6958138.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 8338.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^6958138 is an apocalyptic number.

6958138 is a deficient number, since it is larger than the sum of its proper divisors (4472582).

6958138 is a wasteful number, since it uses less digits than its factorization.

6958138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 51840, while the sum is 40.

The square root of 6958138 is about 2637.8282734098. The cubic root of 6958138 is about 190.9110264217.

The spelling of 6958138 in words is "six million, nine hundred fifty-eight thousand, one hundred thirty-eight".