7969665 has 24 divisors (see below), whose sum is σ = 14019264. Its totient is φ = 3863200.

The previous prime is 7969657. The next prime is 7969667. The reversal of 7969665 is 5669697.

It is not a de Polignac number, because 7969665 - 2³ = 7969657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7969667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (584136).

Almost surely, 2^7969665 is an apocalyptic number.

It is an amenable number.

7969665 is a deficient number, since it is larger than the sum of its proper divisors (6049599).

7969665 is a wasteful number, since it uses less digits than its factorization.

7969665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4410 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 7969665 is about 2823.0595105311. The cubic root of 7969665 is about 199.7468881404.

Subtracting from 7969665 its reverse (5669697), we obtain a cube (2299968 = 132³).

The spelling of 7969665 in words is "seven million, nine hundred sixty-nine thousand, six hundred sixty-five".