963681956 has 6 divisors (see below), whose sum is σ = 1686443430. Its totient is φ = 481840976.

The previous prime is 963681923. The next prime is 963681959. The reversal of 963681956 is 659186369.

963681956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 549152356 + 414529600 = 23434^2 + 20360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 963681898 and 963681907.

It is not an unprimeable number, because it can be changed into a prime (963681959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120460241 + ... + 120460248.

It is an arithmetic number, because the mean of its divisors is an integer number (281073905).

Almost surely, 2^963681956 is an apocalyptic number.

It is an amenable number.

963681956 is a deficient number, since it is larger than the sum of its proper divisors (722761474).

963681956 is a wasteful number, since it uses less digits than its factorization.

963681956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240920493 (or 240920491 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 963681956 is about 31043.2272162544. The cubic root of 963681956 is about 987.7443991779.

The spelling of 963681956 in words is "nine hundred sixty-three million, six hundred eighty-one thousand, nine hundred fifty-six".