1204384 has 24 divisors (see below), whose sum is σ = 2413908. Its totient is φ = 591360.

The previous prime is 1204369. The next prime is 1204397. The reversal of 1204384 is 4834021.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 394384 = 900^2 + 628^2 .

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, 1644 + ... + 2260.

2^1204384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206954).

1204384 is an abundant number, since it is smaller than the sum of its proper divisors (1209524).

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

1204384 is an equidigital number, since it uses as much as digits as its factorization.

1204384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1204384 is about 1097.4443038259. Note that the first 3 decimals coincide. The cubic root of 1204384 is about 106.3951078460.

The spelling of 1204384 in words is "one million, two hundred four thousand, three hundred eighty-four".