1384018 has 4 divisors (see below), whose sum is σ = 2076030. Its totient is φ = 692008.

The previous prime is 1384013. The next prime is 1384027. The reversal of 1384018 is 8104831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8104831 = 7 ⋅1157833.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 45369 = 1157^2 + 213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1383983 and 1384001.

It is not an unprimeable number, because it can be changed into a prime (1384013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346003 + ... + 346006.

2^1384018 is an apocalyptic number.

1384018 is a deficient number, since it is larger than the sum of its proper divisors (692012).

1384018 is an equidigital number, since it uses as much as digits as its factorization.

1384018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692011.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1384018 is about 1176.4429437929. The cubic root of 1384018 is about 111.4415762349.

Adding to 1384018 its reverse (8104831), we get a palindrome (9488849).

The spelling of 1384018 in words is "one million, three hundred eighty-four thousand, eighteen".