2366381 has 4 divisors (see below), whose sum is σ = 2369532. Its totient is φ = 2363232.

The previous prime is 2366369. The next prime is 2366387. The reversal of 2366381 is 1836632.

2366381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 434281 = 1390^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 2366381 - 2¹⁰ = 2365357 is a prime.

It is a super-2 number, since 2×2366381² = 11199518074322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366387) 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 3 ways as a sum of consecutive naturals, for example, 281 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (592383).

2^2366381 is an apocalyptic number.

It is an amenable number.

2366381 is a deficient number, since it is larger than the sum of its proper divisors (3151).

2366381 is a wasteful number, since it uses less digits than its factorization.

2366381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its digits is 5184, while the sum is 29.

The square root of 2366381 is about 1538.3045862247. The cubic root of 2366381 is about 133.2584906360.

The spelling of 2366381 in words is "two million, three hundred sixty-six thousand, three hundred eighty-one".