1814404 has 6 divisors (see below), whose sum is σ = 3175214. Its totient is φ = 907200.

The previous prime is 1814383. The next prime is 1814413. The reversal of 1814404 is 4044181.

It can be written as a sum of positive squares in only one way, i.e., 1684804 + 129600 = 1298^2 + 360^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226797 + ... + 226804.

2^1814404 is an apocalyptic number.

It is an amenable number.

1814404 is a deficient number, since it is larger than the sum of its proper divisors (1360810).

1814404 is a wasteful number, since it uses less digits than its factorization.

1814404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453605 (or 453603 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1814404 is about 1346.9981440225. The cubic root of 1814404 is about 121.9676524470.

Adding to 1814404 its reverse (4044181), we get a palindrome (5858585).

The spelling of 1814404 in words is "one million, eight hundred fourteen thousand, four hundred four".