1641383 has 6 divisors (see below), whose sum is σ = 1668744. Its totient is φ = 1614444.

The previous prime is 1641379. The next prime is 1641389. The reversal of 1641383 is 3831461.

It is not a de Polignac number, because 1641383 - 2² = 1641379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6110 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (278124).

2^1641383 is an apocalyptic number.

1641383 is a deficient number, since it is larger than the sum of its proper divisors (27361).

1641383 is an frugal number, since it uses more digits than its factorization.

1641383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 342 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 1641383 is about 1281.1647044779. The cubic root of 1641383 is about 117.9605105819.

The spelling of 1641383 in words is "one million, six hundred forty-one thousand, three hundred eighty-three".