2381138 has 8 divisors (see below), whose sum is σ = 3581820. Its totient is φ = 1187200.

The previous prime is 2381117. The next prime is 2381143. The reversal of 2381138 is 8311832.

It can be written as a sum of positive squares in 2 ways, for example, as 2380849 + 289 = 1543^2 + 17^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 2286.

2^2381138 is an apocalyptic number.

2381138 is a deficient number, since it is larger than the sum of its proper divisors (1200682).

2381138 is a wasteful number, since it uses less digits than its factorization.

2381138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372.

The product of its digits is 1152, while the sum is 26.

The square root of 2381138 is about 1543.0936458945. The cubic root of 2381138 is about 133.5349214520.

The spelling of 2381138 in words is "two million, three hundred eighty-one thousand, one hundred thirty-eight".