969609 has 8 divisors (see below), whose sum is σ = 1324512. Its totient is φ = 630560.

The previous prime is 969599. The next prime is 969637. The reversal of 969609 is 906969.

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

It is a cyclic number.

It is not a de Polignac number, because 969609 - 2⁴ = 969593 is a prime.

It is a super-2 number, since 2×969609² = 1880283225762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (969679) 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, 3819 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (165564).

2⁹⁶⁹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

969609 is a deficient number, since it is larger than the sum of its proper divisors (354903).

969609 is a wasteful number, since it uses less digits than its factorization.

969609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 969609 is about 984.6872599968. The cubic root of 969609 is about 98.9765274420.

It can be divided in two parts, 96960 and 9, that added together give a palindrome (96969).

The spelling of 969609 in words is "nine hundred sixty-nine thousand, six hundred nine".