963609 has 4 divisors (see below), whose sum is σ = 1284816. Its totient is φ = 642404.

The previous prime is 963607. The next prime is 963629. The reversal of 963609 is 906369.

963609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906369 = 3 ⋅302123.

It is a cyclic number.

It is not a de Polignac number, because 963609 - 2¹ = 963607 is a prime.

It is a D-number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 963609.

It is not an unprimeable number, because it can be changed into a prime (963601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160599 + ... + 160604.

It is an arithmetic number, because the mean of its divisors is an integer number (321204).

2⁹⁶³⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

963609 is a deficient number, since it is larger than the sum of its proper divisors (321207).

963609 is a wasteful number, since it uses less digits than its factorization.

963609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321206.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 963609 is about 981.6358795399. The cubic root of 963609 is about 98.7719472663.

It can be divided in two parts, 96360 and 9, that added together give a palindrome (96369).

The spelling of 963609 in words is "nine hundred sixty-three thousand, six hundred nine".