7968393 has 12 divisors (see below), whose sum is σ = 12187188. Its totient is φ = 4999680.

The previous prime is 7968379. The next prime is 7968409. The reversal of 7968393 is 3938697.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3250809 + 4717584 = 1803^2 + 2172^2 .

It is not a de Polignac number, because 7968393 - 2¹³ = 7960201 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 9³ + 6⁶ + 8⁷ + 3 + 9⁵ + 3 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7968313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25888 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (1015599).

Almost surely, 2^7968393 is an apocalyptic number.

It is an amenable number.

7968393 is a deficient number, since it is larger than the sum of its proper divisors (4218795).

7968393 is a wasteful number, since it uses less digits than its factorization.

7968393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52104 (or 52101 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 7968393 is about 2822.8342140480. The cubic root of 7968393 is about 199.7362606941.

The spelling of 7968393 in words is "seven million, nine hundred sixty-eight thousand, three hundred ninety-three".