1844425 has 24 divisors (see below), whose sum is σ = 2633760. Its totient is φ = 1267200.

The previous prime is 1844417. The next prime is 1844441. The reversal of 1844425 is 5244481.

It is not a de Polignac number, because 1844425 - 2³ = 1844417 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

1844425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1844393 and 1844402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5049 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (109740).

2^1844425 is an apocalyptic number.

It is an amenable number.

1844425 is a deficient number, since it is larger than the sum of its proper divisors (789335).

1844425 is a wasteful number, since it uses less digits than its factorization.

1844425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 388 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1844425 is about 1358.0960938019. The cubic root of 1844425 is about 122.6366654668.

The spelling of 1844425 in words is "one million, eight hundred forty-four thousand, four hundred twenty-five".