969646 has 24 divisors (see below), whose sum is σ = 1645920. Its totient is φ = 426816.

The previous prime is 969641. The next prime is 969667. The reversal of 969646 is 646969.

It is a junction number, because it is equal to n+sod(n) for n = 969599 and 969608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969641) by changing a digit.

969646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12235 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2⁹⁶⁹⁶⁴⁶ is an apocalyptic number.

969646 is a deficient number, since it is larger than the sum of its proper divisors (676274).

969646 is a wasteful number, since it uses less digits than its factorization.

969646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 117 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 969646 is about 984.7060475086. The cubic root of 969646 is about 98.9777863979.

The spelling of 969646 in words is "nine hundred sixty-nine thousand, six hundred forty-six".