4147938 has 24 divisors (see below), whose sum is σ = 9180288. Its totient is φ = 1352952.

The previous prime is 4147921. The next prime is 4147943. The reversal of 4147938 is 8397414.

It is a happy number.

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (382512).

Almost surely, 2^4147938 is an apocalyptic number.

4147938 is an abundant number, since it is smaller than the sum of its proper divisors (5032350).

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

4147938 is a wasteful number, since it uses less digits than its factorization.

4147938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958 (or 4955 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4147938 is about 2036.6487178696. The cubic root of 4147938 is about 160.6734375763.

The spelling of 4147938 in words is "four million, one hundred forty-seven thousand, nine hundred thirty-eight".