6438148 has 24 divisors (see below), whose sum is σ = 11864664. Its totient is φ = 3052800.

The previous prime is 6438143. The next prime is 6438151. The reversal of 6438148 is 8418346.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 5373124 = 1032^2 + 2318^2 .

It is not an unprimeable number, because it can be changed into a prime (6438143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5538 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (494361).

Almost surely, 2^6438148 is an apocalyptic number.

It is an amenable number.

6438148 is a deficient number, since it is larger than the sum of its proper divisors (5426516).

6438148 is a wasteful number, since it uses less digits than its factorization.

6438148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1141 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 6438148 is about 2537.3505867341. The cubic root of 6438148 is about 186.0317130957.

The spelling of 6438148 in words is "six million, four hundred thirty-eight thousand, one hundred forty-eight".