1983265 has 8 divisors (see below), whose sum is σ = 2403648. Its totient is φ = 1570800.

The previous prime is 1983257. The next prime is 1983301. The reversal of 1983265 is 5623891.

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

It is not a de Polignac number, because 1983265 - 2³ = 1983257 is a prime.

It is a Duffinian number.

1983265 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1983265.

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, 1411 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (300456).

2^1983265 is an apocalyptic number.

It is an amenable number.

1983265 is a deficient number, since it is larger than the sum of its proper divisors (420383).

1983265 is a wasteful number, since it uses less digits than its factorization.

1983265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its digits is 12960, while the sum is 34.

The square root of 1983265 is about 1408.2844172964. The cubic root of 1983265 is about 125.6397072787.

The spelling of 1983265 in words is "one million, nine hundred eighty-three thousand, two hundred sixty-five".