2387138 has 8 divisors (see below), whose sum is σ = 3856188. Its totient is φ = 1101744.

The previous prime is 2387137. The next prime is 2387149. The reversal of 2387138 is 8317832.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 85849 = 1517^2 + 293^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2387137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45881 + ... + 45932.

2^2387138 is an apocalyptic number.

2387138 is a deficient number, since it is larger than the sum of its proper divisors (1469050).

2387138 is a wasteful number, since it uses less digits than its factorization.

2387138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91828.

The product of its digits is 8064, while the sum is 32.

The square root of 2387138 is about 1545.0365691465. The cubic root of 2387138 is about 133.6469879661.

The spelling of 2387138 in words is "two million, three hundred eighty-seven thousand, one hundred thirty-eight".