1144384 has 14 divisors (see below), whose sum is σ = 2271014. Its totient is φ = 572160.

The previous prime is 1144379. The next prime is 1144393. The reversal of 1144384 is 4834411.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 222784 = 960^2 + 472^2 .

It is a super-2 number, since 2×1144384² = 2619229478912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8877 + ... + 9004.

2^1144384 is an apocalyptic number.

It is an amenable number.

1144384 is a deficient number, since it is larger than the sum of its proper divisors (1126630).

1144384 is an equidigital number, since it uses as much as digits as its factorization.

1144384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17893 (or 17883 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1144384 is about 1069.7588513305. The cubic root of 1144384 is about 104.5981313043.

Adding to 1144384 its reverse (4834411), we get a palindrome (5978795).

The spelling of 1144384 in words is "one million, one hundred forty-four thousand, three hundred eighty-four".