4993393 has 4 divisors (see below), whose sum is σ = 5287140. Its totient is φ = 4699648.

The previous prime is 4993379. The next prime is 4993397. The reversal of 4993393 is 3933994.

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 2211169 + 2782224 = 1487^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 4993393 - 2²¹ = 2896241 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4993393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4993397) 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, 146848 + ... + 146881.

It is an arithmetic number, because the mean of its divisors is an integer number (1321785).

Almost surely, 2^4993393 is an apocalyptic number.

It is an amenable number.

4993393 is a deficient number, since it is larger than the sum of its proper divisors (293747).

4993393 is a wasteful number, since it uses less digits than its factorization.

4993393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293746.

The product of its digits is 78732, while the sum is 40.

The square root of 4993393 is about 2234.5901190151. The cubic root of 4993393 is about 170.9222427274.

The spelling of 4993393 in words is "four million, nine hundred ninety-three thousand, three hundred ninety-three".