1384406 has 8 divisors (see below), whose sum is σ = 2127384. Its totient is φ = 675280.

The previous prime is 1384403. The next prime is 1384433. The reversal of 1384406 is 6044831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8360 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (265923).

2^1384406 is an apocalyptic number.

1384406 is a deficient number, since it is larger than the sum of its proper divisors (742978).

1384406 is a wasteful number, since it uses less digits than its factorization.

1384406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1384406 is about 1176.6078361119. The cubic root of 1384406 is about 111.4519892236.

The spelling of 1384406 in words is "one million, three hundred eighty-four thousand, four hundred six".