921484 has 12 divisors (see below), whose sum is σ = 1628424. Its totient is φ = 456224.

The previous prime is 921467. The next prime is 921491. The reversal of 921484 is 484129.

921484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (135702).

2⁹²¹⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

921484 is a deficient number, since it is larger than the sum of its proper divisors (706940).

921484 is a wasteful number, since it uses less digits than its factorization.

921484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2262 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 921484 is about 959.9395814321. The cubic root of 921484 is about 97.3111487982.

The spelling of 921484 in words is "nine hundred twenty-one thousand, four hundred eighty-four".