1814081 has 4 divisors (see below), whose sum is σ = 1819392. Its totient is φ = 1808772.

The previous prime is 1814069. The next prime is 1814083. The reversal of 1814081 is 1804181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1804181 = 71 ⋅25411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1814081 is a prime.

It is a super-2 number, since 2×1814081² = 6581779749122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1814083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (454848).

2^1814081 is an apocalyptic number.

It is an amenable number.

1814081 is a deficient number, since it is larger than the sum of its proper divisors (5311).

1814081 is an equidigital number, since it uses as much as digits as its factorization.

1814081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1814081 is about 1346.8782424555. The cubic root of 1814081 is about 121.9604144615.

The spelling of 1814081 in words is "one million, eight hundred fourteen thousand, eighty-one".