1228384 has 24 divisors (see below), whose sum is σ = 2525040. Its totient is φ = 587136.

The previous prime is 1228373. The next prime is 1228391. The reversal of 1228384 is 4838221.

It is a congruent number.

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, 99 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (105210).

2^1228384 is an apocalyptic number.

It is an amenable number.

1228384 is an abundant number, since it is smaller than the sum of its proper divisors (1296656).

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

1228384 is a wasteful number, since it uses less digits than its factorization.

1228384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1694 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1228384 is about 1108.3248621230. The cubic root of 1228384 is about 107.0971836651.

The spelling of 1228384 in words is "one million, two hundred twenty-eight thousand, three hundred eighty-four".