1845408 has 48 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 600576.

The previous prime is 1845379. The next prime is 1845419. The reversal of 1845408 is 8045481.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1845408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479680).

1845408 is an abundant number, since it is smaller than the sum of its proper divisors (3113952).

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

1845408 is a wasteful number, since it uses less digits than its factorization.

1845408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1845408 is about 1358.4579492940. The cubic root of 1845408 is about 122.6584483047.

The spelling of 1845408 in words is "one million, eight hundred forty-five thousand, four hundred eight".