961688320 has 36 divisors (see below), whose sum is σ = 2303547120. Its totient is φ = 384674816.

The previous prime is 961688311. The next prime is 961688327. The reversal of 961688320 is 23886169.

It is not an unprimeable number, because it can be changed into a prime (961688327) 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 3 ways as a sum of consecutive naturals, for example, 374380 + ... + 376939.

It is an arithmetic number, because the mean of its divisors is an integer number (63987420).

Almost surely, 2^961688320 is an apocalyptic number.

It is an amenable number.

961688320 is an abundant number, since it is smaller than the sum of its proper divisors (1341858800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961688320 is an equidigital number, since it uses as much as digits as its factorization.

961688320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751340 (or 751326 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 961688320 is about 31011.0999482443. The cubic root of 961688320 is about 987.0627903802.

The spelling of 961688320 in words is "nine hundred sixty-one million, six hundred eighty-eight thousand, three hundred twenty".