7995644 has 24 divisors (see below), whose sum is σ = 15297408. Its totient is φ = 3640320.

The previous prime is 7995643. The next prime is 7995653. The reversal of 7995644 is 4465997.

It is a junction number, because it is equal to n+sod(n) for n = 7995595 and 7995604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7995643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (637392).

Almost surely, 2^7995644 is an apocalyptic number.

It is an amenable number.

7995644 is a deficient number, since it is larger than the sum of its proper divisors (7301764).

7995644 is a wasteful number, since it uses less digits than its factorization.

7995644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3843 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 7995644 is about 2827.6569806113. The cubic root of 7995644 is about 199.9636934096.

The spelling of 7995644 in words is "seven million, nine hundred ninety-five thousand, six hundred forty-four".