1384867 has 4 divisors (see below), whose sum is σ = 1510776. Its totient is φ = 1258960.

The previous prime is 1384861. The next prime is 1384879. The reversal of 1384867 is 7684831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1384867 - 2¹¹ = 1382819 is a prime.

It is a Duffinian number.

1384867 is a lucky number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1384861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62938 + ... + 62959.

It is an arithmetic number, because the mean of its divisors is an integer number (377694).

2^1384867 is an apocalyptic number.

1384867 is a deficient number, since it is larger than the sum of its proper divisors (125909).

1384867 is a wasteful number, since it uses less digits than its factorization.

1384867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125908.

The product of its digits is 32256, while the sum is 37.

The square root of 1384867 is about 1176.8037219520. The cubic root of 1384867 is about 111.4643588284.

It can be divided in two parts, 138 and 4867, that added together give a palindrome (5005).

The spelling of 1384867 in words is "one million, three hundred eighty-four thousand, eight hundred sixty-seven".