7993965 has 32 divisors (see below), whose sum is σ = 15390720. Its totient is φ = 3461184.

The previous prime is 7993963. The next prime is 7993967. The reversal of 7993965 is 5693997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7993963) and next prime (7993967).

It is not a de Polignac number, because 7993965 - 2¹ = 7993963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (480960).

Almost surely, 2^7993965 is an apocalyptic number.

It is an amenable number.

7993965 is a deficient number, since it is larger than the sum of its proper divisors (7396755).

7993965 is a wasteful number, since it uses less digits than its factorization.

7993965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041.

The product of its digits is 459270, while the sum is 48.

The square root of 7993965 is about 2827.3600761134. The cubic root of 7993965 is about 199.9496956818.

Subtracting from 7993965 its reverse (5693997), we obtain a cube (2299968 = 132³).

The spelling of 7993965 in words is "seven million, nine hundred ninety-three thousand, nine hundred sixty-five".