921283324 has 24 divisors (see below), whose sum is σ = 1827649040. Its totient is φ = 402827904.

The previous prime is 921283283. The next prime is 921283333. The reversal of 921283324 is 423382129.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 921283324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465249 + ... + 467224.

Almost surely, 2^921283324 is an apocalyptic number.

It is an amenable number.

921283324 is a deficient number, since it is larger than the sum of its proper divisors (906365716).

921283324 is a wasteful number, since it uses less digits than its factorization.

921283324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932509 (or 932507 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 921283324 is about 30352.6493736544. The cubic root of 921283324 is about 973.0408431313.

The spelling of 921283324 in words is "nine hundred twenty-one million, two hundred eighty-three thousand, three hundred twenty-four".