7993165 has 4 divisors (see below), whose sum is σ = 9591804. Its totient is φ = 6394528.

The previous prime is 7993157. The next prime is 7993169. The reversal of 7993165 is 5613997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5613997 = 67 ⋅83791.

It can be written as a sum of positive squares in 2 ways, for example, as 3104644 + 4888521 = 1762^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 7993165 - 2³ = 7993157 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 an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993169) 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, 799312 + ... + 799321.

It is an arithmetic number, because the mean of its divisors is an integer number (2397951).

Almost surely, 2^7993165 is an apocalyptic number.

It is an amenable number.

7993165 is a deficient number, since it is larger than the sum of its proper divisors (1598639).

7993165 is a wasteful number, since it uses less digits than its factorization.

7993165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598638.

The product of its digits is 51030, while the sum is 40.

The square root of 7993165 is about 2827.2185978449. The cubic root of 7993165 is about 199.9430254377.

The spelling of 7993165 in words is "seven million, nine hundred ninety-three thousand, one hundred sixty-five".