1844481 has 4 divisors (see below), whose sum is σ = 2459312. Its totient is φ = 1229652.

The previous prime is 1844477. The next prime is 1844497.

1844481 is nontrivially palindromic in base 10.

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.

It is not a de Polignac number, because 1844481 - 2² = 1844477 is a prime.

It is a super-2 number, since 2×1844481² = 6804220318722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1844411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307411 + ... + 307416.

It is an arithmetic number, because the mean of its divisors is an integer number (614828).

2^1844481 is an apocalyptic number.

It is an amenable number.

1844481 is a deficient number, since it is larger than the sum of its proper divisors (614831).

1844481 is an equidigital number, since it uses as much as digits as its factorization.

1844481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614830.

The product of its digits is 4096, while the sum is 30.

The square root of 1844481 is about 1358.1167107432. The cubic root of 1844481 is about 122.6379066095.

The spelling of 1844481 in words is "one million, eight hundred forty-four thousand, four hundred eighty-one".