1844428 has 12 divisors (see below), whose sum is σ = 3243240. Its totient is φ = 917792.

The previous prime is 1844417. The next prime is 1844441. The reversal of 1844428 is 8244481.

It is a self number, because there is not a number n which added to its sum of digits gives 1844428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

2^1844428 is an apocalyptic number.

It is an amenable number.

1844428 is a deficient number, since it is larger than the sum of its proper divisors (1398812).

1844428 is a wasteful number, since it uses less digits than its factorization.

1844428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2214 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 1844428 is about 1358.0971982888. The cubic root of 1844428 is about 122.6367319572.

The spelling of 1844428 in words is "one million, eight hundred forty-four thousand, four hundred twenty-eight".