1438384 has 10 divisors (see below), whose sum is σ = 2786900. Its totient is φ = 719184.

The previous prime is 1438379. The next prime is 1438399. The reversal of 1438384 is 4838341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44934 + ... + 44965.

It is an arithmetic number, because the mean of its divisors is an integer number (278690).

2^1438384 is an apocalyptic number.

It is an amenable number.

1438384 is a deficient number, since it is larger than the sum of its proper divisors (1348516).

1438384 is an equidigital number, since it uses as much as digits as its factorization.

1438384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89907 (or 89901 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 1438384 is about 1199.3264776532. The cubic root of 1438384 is about 112.8820655925.

The spelling of 1438384 in words is "one million, four hundred thirty-eight thousand, three hundred eighty-four".