1844120 has 16 divisors (see below), whose sum is σ = 4149360. Its totient is φ = 737632.

The previous prime is 1844119. The next prime is 1844123. The reversal of 1844120 is 214481.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1844092 and 1844101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23012 + ... + 23091.

It is an arithmetic number, because the mean of its divisors is an integer number (259335).

2^1844120 is an apocalyptic number.

1844120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1844120 is an abundant number, since it is smaller than the sum of its proper divisors (2305240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1844120 is a wasteful number, since it uses less digits than its factorization.

1844120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46114 (or 46110 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1844120 is about 1357.9837996088. The cubic root of 1844120 is about 122.6299052308.

The spelling of 1844120 in words is "one million, eight hundred forty-four thousand, one hundred twenty".