1813414 has 4 divisors (see below), whose sum is σ = 2720124. Its totient is φ = 906706.

The previous prime is 1813391. The next prime is 1813421. The reversal of 1813414 is 4143181.

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

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 as a sum of consecutive naturals, namely, 453352 + ... + 453355.

It is an arithmetic number, because the mean of its divisors is an integer number (680031).

2^1813414 is an apocalyptic number.

1813414 is a deficient number, since it is larger than the sum of its proper divisors (906710).

1813414 is an equidigital number, since it uses as much as digits as its factorization.

1813414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906709.

The product of its digits is 384, while the sum is 22.

The square root of 1813414 is about 1346.6306100784. The cubic root of 1813414 is about 121.9454651899.

Adding to 1813414 its reverse (4143181), we get a palindrome (5956595).

The spelling of 1813414 in words is "one million, eight hundred thirteen thousand, four hundred fourteen".