7945965 has 32 divisors (see below), whose sum is σ = 14342400. Its totient is φ = 4173120.

The previous prime is 7945963. The next prime is 7945967. The reversal of 7945965 is 5695497.

It is a happy number.

7945965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7945963) and next prime (7945967).

It is not a de Polignac number, because 7945965 - 2¹ = 7945963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7945965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945963) 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, 9171 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (448200).

Almost surely, 2^7945965 is an apocalyptic number.

It is an amenable number.

7945965 is a deficient number, since it is larger than the sum of its proper divisors (6396435).

7945965 is a wasteful number, since it uses less digits than its factorization.

7945965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 7945965 is about 2818.8588116470. The cubic root of 7945965 is about 199.5486906989.

It can be divided in two parts, 79459 and 65, that added together give a square (79524 = 282²).

The spelling of 7945965 in words is "seven million, nine hundred forty-five thousand, nine hundred sixty-five".