1814426 has 4 divisors (see below), whose sum is σ = 2721642. Its totient is φ = 907212.

The previous prime is 1814413. The next prime is 1814429. The reversal of 1814426 is 6244181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6244181 = 97 ⋅64373.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 714025 = 1049^2 + 845^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1814395 and 1814404.

It is not an unprimeable number, because it can be changed into a prime (1814429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453605 + ... + 453608.

2^1814426 is an apocalyptic number.

1814426 is a deficient number, since it is larger than the sum of its proper divisors (907216).

1814426 is an equidigital number, since it uses as much as digits as its factorization.

1814426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907215.

The product of its digits is 1536, while the sum is 26.

The square root of 1814426 is about 1347.0063103044. The cubic root of 1814426 is about 121.9681454055.

The spelling of 1814426 in words is "one million, eight hundred fourteen thousand, four hundred twenty-six".