7945393 has 8 divisors (see below), whose sum is σ = 8316416. Its totient is φ = 7581600.

The previous prime is 7945387. The next prime is 7945423. The reversal of 7945393 is 3935497.

7945393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7945393 - 2⁵ = 7945361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7945313) 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 7 ways as a sum of consecutive naturals, for example, 508 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (1039552).

Almost surely, 2^7945393 is an apocalyptic number.

7945393 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7945393 is a deficient number, since it is larger than the sum of its proper divisors (371023).

7945393 is a wasteful number, since it uses less digits than its factorization.

7945393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615.

The product of its digits is 102060, while the sum is 40.

The square root of 7945393 is about 2818.7573503230. The cubic root of 7945393 is about 199.5439023319.

It can be divided in two parts, 7945 and 393, that added together give a palindrome (8338).

The spelling of 7945393 in words is "seven million, nine hundred forty-five thousand, three hundred ninety-three".