960921 has 24 divisors (see below), whose sum is σ = 1537536. Its totient is φ = 574560.

The previous prime is 960889. The next prime is 960931. The reversal of 960921 is 129069.

It is a happy number.

It is not a de Polignac number, because 960921 - 2⁵ = 960889 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (960931) 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 23 ways as a sum of consecutive naturals, for example, 4936 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (64064).

2⁹⁶⁰⁹²¹ is an apocalyptic number.

It is an amenable number.

960921 is a deficient number, since it is larger than the sum of its proper divisors (576615).

960921 is a wasteful number, since it uses less digits than its factorization.

960921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 960921 is about 980.2657802861. The cubic root of 960921 is about 98.6800198529.

It can be divided in two parts, 960 and 921, that added together give a palindrome (1881).

The spelling of 960921 in words is "nine hundred sixty thousand, nine hundred twenty-one".