965649 has 8 divisors (see below), whose sum is σ = 1292320. Its totient is φ = 641376.

The previous prime is 965647. The next prime is 965659. The reversal of 965649 is 946569.

965649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 965649 - 2¹ = 965647 is a prime.

It is a Duffinian number.

It is a Curzon number.

965649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (965647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (161540).

2⁹⁶⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

965649 is a deficient number, since it is larger than the sum of its proper divisors (326671).

965649 is a wasteful number, since it uses less digits than its factorization.

965649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its digits is 58320, while the sum is 39.

The square root of 965649 is about 982.6744120002. The cubic root of 965649 is about 98.8415995659.

The spelling of 965649 in words is "nine hundred sixty-five thousand, six hundred forty-nine".