1983355 has 8 divisors (see below), whose sum is σ = 2596464. Its totient is φ = 1442400.

The previous prime is 1983347. The next prime is 1983361. The reversal of 1983355 is 5533891.

1983355 = T₅₉₅ + T₅₉₆ + ... + T₆₀₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1983355 - 2³ = 1983347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1983355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17976 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (324558).

2^1983355 is an apocalyptic number.

1983355 is a deficient number, since it is larger than the sum of its proper divisors (613109).

1983355 is a wasteful number, since it uses less digits than its factorization.

1983355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36077.

The product of its digits is 16200, while the sum is 34.

The square root of 1983355 is about 1408.3163707065. The cubic root of 1983355 is about 125.6416077480.

It can be divided in two parts, 198 and 3355, that added together give a palindrome (3553).

The spelling of 1983355 in words is "one million, nine hundred eighty-three thousand, three hundred fifty-five".