4917838 has 8 divisors (see below), whose sum is σ = 7448688. Its totient is φ = 2434944.

The previous prime is 4917823. The next prime is 4917839. The reversal of 4917838 is 8387194.

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 4917838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917839) 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, 11731 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (931086).

Almost surely, 2^4917838 is an apocalyptic number.

4917838 is a deficient number, since it is larger than the sum of its proper divisors (2530850).

4917838 is a wasteful number, since it uses less digits than its factorization.

4917838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978.

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

The square root of 4917838 is about 2217.6198952931. The cubic root of 4917838 is about 170.0557833082.

The spelling of 4917838 in words is "four million, nine hundred seventeen thousand, eight hundred thirty-eight".