1384028 has 12 divisors (see below), whose sum is σ = 2436840. Its totient is φ = 687792.

The previous prime is 1384027. The next prime is 1384043. The reversal of 1384028 is 8204831.

It is a junction number, because it is equal to n+sod(n) for n = 1383988 and 1384006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384027) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 1682.

It is an arithmetic number, because the mean of its divisors is an integer number (203070).

2^1384028 is an apocalyptic number.

It is an amenable number.

1384028 is a deficient number, since it is larger than the sum of its proper divisors (1052812).

1384028 is a wasteful number, since it uses less digits than its factorization.

1384028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1384028 is about 1176.4471938850. The cubic root of 1384028 is about 111.4418446353.

Adding to 1384028 its reverse (8204831), we get a palindrome (9588859).

The spelling of 1384028 in words is "one million, three hundred eighty-four thousand, twenty-eight".