7993393 has 4 divisors (see below), whose sum is σ = 8106048. Its totient is φ = 7880740.

The previous prime is 7993367. The next prime is 7993421. The reversal of 7993393 is 3933997.

It is a happy number.

7993393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 7993393 - 2⁵ = 7993361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7993093) 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, 56221 + ... + 56362.

It is an arithmetic number, because the mean of its divisors is an integer number (2026512).

Almost surely, 2^7993393 is an apocalyptic number.

It is an amenable number.

7993393 is a deficient number, since it is larger than the sum of its proper divisors (112655).

7993393 is a wasteful number, since it uses less digits than its factorization.

7993393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112654.

The product of its digits is 137781, while the sum is 43.

The square root of 7993393 is about 2827.2589198727. The cubic root of 7993393 is about 199.9449265026.

The spelling of 7993393 in words is "seven million, nine hundred ninety-three thousand, three hundred ninety-three".