1855448 has 32 divisors (see below), whose sum is σ = 4212000. Its totient is φ = 748032.

The previous prime is 1855423. The next prime is 1855457. The reversal of 1855448 is 8445581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (131625).

2^1855448 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 1855448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106000).

1855448 is an abundant number, since it is smaller than the sum of its proper divisors (2356552).

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

1855448 is a wasteful number, since it uses less digits than its factorization.

1855448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 1855448 is about 1362.1483032328. The cubic root of 1855448 is about 122.8804884941.

The spelling of 1855448 in words is "one million, eight hundred fifty-five thousand, four hundred forty-eight".