1844945 has 16 divisors (see below), whose sum is σ = 2356992. Its totient is φ = 1383360.

The previous prime is 1844939. The next prime is 1844963. The reversal of 1844945 is 5494481.

It is a happy number.

It is not a de Polignac number, because 1844945 - 2¹⁶ = 1779409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6884 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2^1844945 is an apocalyptic number.

It is an amenable number.

1844945 is a deficient number, since it is larger than the sum of its proper divisors (512047).

1844945 is a wasteful number, since it uses less digits than its factorization.

1844945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its digits is 23040, while the sum is 35.

The square root of 1844945 is about 1358.2875247899. The cubic root of 1844945 is about 122.6481893969.

The spelling of 1844945 in words is "one million, eight hundred forty-four thousand, nine hundred forty-five".