1844401 has 8 divisors (see below), whose sum is σ = 1996904. Its totient is φ = 1693440.

The previous prime is 1844383. The next prime is 1844411. The reversal of 1844401 is 1044481.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 1703025 = 376^2 + 1305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1844401 - 2⁵ = 1844369 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4171 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (249613).

2^1844401 is an apocalyptic number.

It is an amenable number.

1844401 is a deficient number, since it is larger than the sum of its proper divisors (152503).

1844401 is a wasteful number, since it uses less digits than its factorization.

1844401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1844401 is about 1358.0872578741. The cubic root of 1844401 is about 122.6361335408.

Adding to 1844401 its reverse (1044481), we get a palindrome (2888882).

The spelling of 1844401 in words is "one million, eight hundred forty-four thousand, four hundred one".