965667 has 4 divisors (see below), whose sum is σ = 1287560. Its totient is φ = 643776.

The previous prime is 965659. The next prime is 965677. The reversal of 965667 is 766569.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766569 = 3 ⋅255523.

It is not a de Polignac number, because 965667 - 2³ = 965659 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965647) 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 3 ways as a sum of consecutive naturals, for example, 160942 + ... + 160947.

It is an arithmetic number, because the mean of its divisors is an integer number (321890).

2⁹⁶⁵⁶⁶⁷ is an apocalyptic number.

965667 is a deficient number, since it is larger than the sum of its proper divisors (321893).

965667 is a wasteful number, since it uses less digits than its factorization.

965667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321892.

The product of its digits is 68040, while the sum is 39.

The square root of 965667 is about 982.6835706371. The cubic root of 965667 is about 98.8422137083.

The spelling of 965667 in words is "nine hundred sixty-five thousand, six hundred sixty-seven".