921096 has 48 divisors (see below), whose sum is σ = 2723760. Its totient is φ = 278880.

The previous prime is 921091. The next prime is 921121. The reversal of 921096 is 690129.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (921091) 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 11 ways as a sum of consecutive naturals, for example, 211 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (56745).

2⁹²¹⁰⁹⁶ 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 921096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361880).

921096 is an abundant number, since it is smaller than the sum of its proper divisors (1802664).

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

921096 is a wasteful number, since it uses less digits than its factorization.

921096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1179 counting only the distinct ones).

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

The square root of 921096 is about 959.7374641015. The cubic root of 921096 is about 97.2974889386.

The spelling of 921096 in words is "nine hundred twenty-one thousand, ninety-six".