2381796 has 18 divisors (see below), whose sum is σ = 6020742. Its totient is φ = 793920.

The previous prime is 2381791. The next prime is 2381807. The reversal of 2381796 is 6971832.

2381796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 22500 = 1536^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 66161 = 2381796 / (2 + 3 + 8 + 1 + 7 + 9 + 6).

It is a d-powerful number, because it can be written as 2¹⁹ + 3¹¹ + 8 + 1 + 7 + 9³ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2381796.

It is not an unprimeable number, because it can be changed into a prime (2381791) 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, 33045 + ... + 33116.

2^2381796 is an apocalyptic number.

It is an amenable number.

2381796 is an abundant number, since it is smaller than the sum of its proper divisors (3638946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381796 is a wasteful number, since it uses less digits than its factorization.

2381796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66171 (or 66166 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2381796 is about 1543.3068392254. The cubic root of 2381796 is about 133.5472205972.

Adding to 2381796 its sum of digits (36), we get a palindrome (2381832).

The spelling of 2381796 in words is "two million, three hundred eighty-one thousand, seven hundred ninety-six".