1818414 has 48 divisors (see below), whose sum is σ = 4477200. Its totient is φ = 528768.

The previous prime is 1818413. The next prime is 1818419. The reversal of 1818414 is 4148181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4242 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (93275).

2^1818414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1818414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238600).

1818414 is an abundant number, since it is smaller than the sum of its proper divisors (2658786).

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

1818414 is a wasteful number, since it uses less digits than its factorization.

1818414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1818414 is about 1348.4858175005. The cubic root of 1818414 is about 122.0574395831.

The spelling of 1818414 in words is "one million, eight hundred eighteen thousand, four hundred fourteen".