1844564 has 12 divisors (see below), whose sum is σ = 3272724. Its totient is φ = 909504.

The previous prime is 1844537. The next prime is 1844567. The reversal of 1844564 is 4654481.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 824464 = 1010^2 + 908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1844564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844567) 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, 2867 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (272727).

2^1844564 is an apocalyptic number.

It is an amenable number.

1844564 is a deficient number, since it is larger than the sum of its proper divisors (1428160).

1844564 is a wasteful number, since it uses less digits than its factorization.

1844564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6392 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 1844564 is about 1358.1472674198. The cubic root of 1844564 is about 122.6397461141.

The spelling of 1844564 in words is "one million, eight hundred forty-four thousand, five hundred sixty-four".