921132 has 30 divisors (see below), whose sum is σ = 2408868. Its totient is φ = 306936.

The previous prime is 921121. The next prime is 921133. The reversal of 921132 is 231129.

It is a happy number.

It is a super-2 number, since 2×921132² = 1696968322848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 921132.

It is not an unprimeable number, because it can be changed into a prime (921133) by changing a digit.

921132 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1098 + ... + 1745.

2⁹²¹¹³² is an apocalyptic number.

It is an amenable number.

921132 is an abundant number, since it is smaller than the sum of its proper divisors (1487736).

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

921132 is a wasteful number, since it uses less digits than its factorization.

921132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2848 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 921132 is about 959.7562190473. The cubic root of 921132 is about 97.2987565096.

The spelling of 921132 in words is "nine hundred twenty-one thousand, one hundred thirty-two".