4617993 has 4 divisors (see below), whose sum is σ = 6157328. Its totient is φ = 3078660.

The previous prime is 4617979. The next prime is 4618001. The reversal of 4617993 is 3997164.

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.

It is not a de Polignac number, because 4617993 - 2⁸ = 4617737 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

4617993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4617493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769663 + ... + 769668.

It is an arithmetic number, because the mean of its divisors is an integer number (1539332).

Almost surely, 2^4617993 is an apocalyptic number.

It is an amenable number.

4617993 is a deficient number, since it is larger than the sum of its proper divisors (1539335).

4617993 is a wasteful number, since it uses less digits than its factorization.

4617993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539334.

The product of its digits is 40824, while the sum is 39.

The square root of 4617993 is about 2148.9516048529. The cubic root of 4617993 is about 166.5269099522.

The spelling of 4617993 in words is "four million, six hundred seventeen thousand, nine hundred ninety-three".