1814345 has 16 divisors (see below), whose sum is σ = 2376192. Its totient is φ = 1321920.

The previous prime is 1814339. The next prime is 1814347. The reversal of 1814345 is 5434181.

It is not a de Polignac number, because 1814345 - 2¹⁰ = 1813321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1814347) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 6560 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

2^1814345 is an apocalyptic number.

It is an amenable number.

1814345 is a deficient number, since it is larger than the sum of its proper divisors (561847).

1814345 is a wasteful number, since it uses less digits than its factorization.

1814345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 1920, while the sum is 26.

The square root of 1814345 is about 1346.9762432946. The cubic root of 1814345 is about 121.9663304023.

The spelling of 1814345 in words is "one million, eight hundred fourteen thousand, three hundred forty-five".