1855044 has 27 divisors (see below), whose sum is σ = 4709887.
Its totient is φ = 615624.
The previous prime is 1855039. The next prime is 1855093. The reversal of 1855044 is 4405581.
The square root of 1855044 is 1362.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 1854999 and 1855017.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8059 + ... + 8285.
21855044 is an apocalyptic number.
1855044 is the 1362-nd square number.
It is an amenable number.
1855044 is an abundant number, since it is smaller than the sum of its proper divisors (2854843).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1855044 is a wasteful number, since it uses less digits than its factorization.
1855044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 464 (or 232 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The cubic root of 1855044 is about 122.8715692967.
The spelling of 1855044 in words is "one million, eight hundred fifty-five thousand, forty-four".