4973993 has 4 divisors (see below), whose sum is σ = 5145540. Its totient is φ = 4802448.

The previous prime is 4973989. The next prime is 4974007. The reversal of 4973993 is 3993794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 779689 = 2048^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 4973993 - 2² = 4973989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4973393) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85730 + ... + 85787.

It is an arithmetic number, because the mean of its divisors is an integer number (1286385).

Almost surely, 2^4973993 is an apocalyptic number.

It is an amenable number.

4973993 is a deficient number, since it is larger than the sum of its proper divisors (171547).

4973993 is a wasteful number, since it uses less digits than its factorization.

4973993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171546.

The product of its digits is 183708, while the sum is 44.

The square root of 4973993 is about 2230.2450538001. The cubic root of 4973993 is about 170.7006035180.

The spelling of 4973993 in words is "four million, nine hundred seventy-three thousand, nine hundred ninety-three".