6838149 has 8 divisors (see below), whose sum is σ = 9172800. Its totient is φ = 4531136.

The previous prime is 6838141. The next prime is 6838151. The reversal of 6838149 is 9418386.

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

It is a cyclic number.

It is not a de Polignac number, because 6838149 - 2³ = 6838141 is a prime.

It is a d-powerful number, because it can be written as 6³ + 8⁷ + 3¹³ + 8⁷ + 1 + 4¹⁰ + 9³ .

6838149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838141) 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 7 ways as a sum of consecutive naturals, for example, 6324 + ... + 7325.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^6838149 is an apocalyptic number.

It is an amenable number.

6838149 is a deficient number, since it is larger than the sum of its proper divisors (2334651).

6838149 is a wasteful number, since it uses less digits than its factorization.

6838149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its digits is 41472, while the sum is 39.

The square root of 6838149 is about 2614.9854684109. The cubic root of 6838149 is about 189.8072745669.

The spelling of 6838149 in words is "six million, eight hundred thirty-eight thousand, one hundred forty-nine".