4971838 has 8 divisors (see below), whose sum is σ = 7659432. Its totient is φ = 2418696.

The previous prime is 4971833. The next prime is 4971839. The reversal of 4971838 is 8381794.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4971838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33520 + ... + 33667.

It is an arithmetic number, because the mean of its divisors is an integer number (957429).

Almost surely, 2^4971838 is an apocalyptic number.

4971838 is a deficient number, since it is larger than the sum of its proper divisors (2687594).

4971838 is a wasteful number, since it uses less digits than its factorization.

4971838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67226.

The product of its digits is 48384, while the sum is 40.

The square root of 4971838 is about 2229.7618706938. The cubic root of 4971838 is about 170.6759477442.

The spelling of 4971838 in words is "four million, nine hundred seventy-one thousand, eight hundred thirty-eight".