963909 has 6 divisors (see below), whose sum is σ = 1392326. Its totient is φ = 642600.

The previous prime is 963901. The next prime is 963913. The reversal of 963909 is 909369.

It can be written as a sum of positive squares in only one way, i.e., 567009 + 396900 = 753^2 + 630^2 .

It is not a de Polignac number, because 963909 - 2³ = 963901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963901) 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 5 ways as a sum of consecutive naturals, for example, 53542 + ... + 53559.

2⁹⁶³⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

963909 is a deficient number, since it is larger than the sum of its proper divisors (428417).

963909 is a wasteful number, since it uses less digits than its factorization.

963909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107107 (or 107104 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 963909 is about 981.7886737990. The cubic root of 963909 is about 98.7821964128.

It can be divided in two parts, 96 and 3909, that added together give a triangular number (4005 = T₈₉).

The spelling of 963909 in words is "nine hundred sixty-three thousand, nine hundred nine".