4817993 has 4 divisors (see below), whose sum is σ = 4823040. Its totient is φ = 4812948.

The previous prime is 4817977. The next prime is 4818013. The reversal of 4817993 is 3997184.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4817993 - 2⁴ = 4817977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4817993.

It is not an unprimeable number, because it can be changed into a prime (4817933) 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, 605 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (1205760).

Almost surely, 2^4817993 is an apocalyptic number.

It is an amenable number.

4817993 is a deficient number, since it is larger than the sum of its proper divisors (5047).

4817993 is a wasteful number, since it uses less digits than its factorization.

4817993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its digits is 54432, while the sum is 41.

The square root of 4817993 is about 2194.9927106940. The cubic root of 4817993 is about 168.8970464056.

The spelling of 4817993 in words is "four million, eight hundred seventeen thousand, nine hundred ninety-three".