4747993 has 8 divisors (see below), whose sum is σ = 4852328. Its totient is φ = 4644864.

The previous prime is 4747973. The next prime is 4747997. The reversal of 4747993 is 3997474.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 4609609 = 372^2 + 2147^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4747993 - 2⁵ = 4747961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747997) 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 7 ways as a sum of consecutive naturals, for example, 13921 + ... + 14257.

It is an arithmetic number, because the mean of its divisors is an integer number (606541).

Almost surely, 2^4747993 is an apocalyptic number.

It is an amenable number.

4747993 is a deficient number, since it is larger than the sum of its proper divisors (104335).

4747993 is a wasteful number, since it uses less digits than its factorization.

4747993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its digits is 190512, while the sum is 43.

The square root of 4747993 is about 2178.9889857455. The cubic root of 4747993 is about 168.0750916200.

The spelling of 4747993 in words is "four million, seven hundred forty-seven thousand, nine hundred ninety-three".