921244 has 6 divisors (see below), whose sum is σ = 1612184. Its totient is φ = 460620.

The previous prime is 921241. The next prime is 921257. The reversal of 921244 is 442129.

921244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115152 + ... + 115159.

2⁹²¹²⁴⁴ is an apocalyptic number.

It is an amenable number.

921244 is a deficient number, since it is larger than the sum of its proper divisors (690940).

921244 is a wasteful number, since it uses less digits than its factorization.

921244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230315 (or 230313 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 921244 is about 959.8145654240. The cubic root of 921244 is about 97.3026998529.

The spelling of 921244 in words is "nine hundred twenty-one thousand, two hundred forty-four".