1814406 has 32 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 534240.

The previous prime is 1814383. The next prime is 1814413. The reversal of 1814406 is 6044181.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2^1814406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1814406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035584).

1814406 is an abundant number, since it is smaller than the sum of its proper divisors (2256762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1814406 is a wasteful number, since it uses less digits than its factorization.

1814406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1814406 is about 1346.9988864138. The cubic root of 1814406 is about 121.9676972616.

Adding to 1814406 its reverse (6044181), we get a palindrome (7858587).

The spelling of 1814406 in words is "one million, eight hundred fourteen thousand, four hundred six".