2161383 has 16 divisors (see below), whose sum is σ = 3467520. Its totient is φ = 1169856.

The previous prime is 2161373. The next prime is 2161409. The reversal of 2161383 is 3831612.

It is not a de Polignac number, because 2161383 - 2⁶ = 2161319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2310 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

2^2161383 is an apocalyptic number.

2161383 is a deficient number, since it is larger than the sum of its proper divisors (1306137).

2161383 is a wasteful number, since it uses less digits than its factorization.

2161383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446.

The product of its digits is 864, while the sum is 24.

The square root of 2161383 is about 1470.1642765351. The cubic root of 2161383 is about 129.2936642490.

Adding to 2161383 its reverse (3831612), we get a palindrome (5992995).

The spelling of 2161383 in words is "two million, one hundred sixty-one thousand, three hundred eighty-three".