960640 has 64 divisors (see below), whose sum is σ = 2448000. Its totient is φ = 359424.

The previous prime is 960637. The next prime is 960643. The reversal of 960640 is 46069.

It is an interprime number because it is at equal distance from previous prime (960637) and next prime (960643).

It is a tau number, because it is divible by the number of its divisors (64).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (960643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12121 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (38250).

2⁹⁶⁰⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 960640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224000).

960640 is an abundant number, since it is smaller than the sum of its proper divisors (1487360).

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

960640 is a wasteful number, since it uses less digits than its factorization.

960640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 960640 is about 980.1224413307. The cubic root of 960640 is about 98.6703999886.

It can be divided in two parts, 960 and 640, that added together give a square (1600 = 40²).

The spelling of 960640 in words is "nine hundred sixty thousand, six hundred forty".