1814146 has 4 divisors (see below), whose sum is σ = 2721222. Its totient is φ = 907072.

The previous prime is 1814143. The next prime is 1814161. The reversal of 1814146 is 6414181.

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

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 239121 = 1255^2 + 489^2 .

It is a super-2 number, since 2×1814146² = 6582251418632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1814146.

It is not an unprimeable number, because it can be changed into a prime (1814143) 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 as a sum of consecutive naturals, namely, 453535 + ... + 453538.

2^1814146 is an apocalyptic number.

1814146 is a deficient number, since it is larger than the sum of its proper divisors (907076).

1814146 is an equidigital number, since it uses as much as digits as its factorization.

1814146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907075.

The product of its digits is 768, while the sum is 25.

The square root of 1814146 is about 1346.9023721117. The cubic root of 1814146 is about 121.9618710911.

The spelling of 1814146 in words is "one million, eight hundred fourteen thousand, one hundred forty-six".