2388131 has 4 divisors (see below), whose sum is σ = 2391672. Its totient is φ = 2384592.

The previous prime is 2388103. The next prime is 2388157. The reversal of 2388131 is 1318832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2388131 - 2¹⁰ = 2387107 is a prime.

It is a super-2 number, since 2×2388131² = 11406339346322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2388131.

It is not an unprimeable number, because it can be changed into a prime (2388101) 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, 410 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (597918).

2^2388131 is an apocalyptic number.

2388131 is a deficient number, since it is larger than the sum of its proper divisors (3541).

2388131 is an equidigital number, since it uses as much as digits as its factorization.

2388131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

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

The square root of 2388131 is about 1545.3578873517. The cubic root of 2388131 is about 133.6655168574.

The spelling of 2388131 in words is "two million, three hundred eighty-eight thousand, one hundred thirty-one".