2340187 has 2 divisors, whose sum is σ = 2340188. Its totient is φ = 2340186.

The previous prime is 2340179. The next prime is 2340193. The reversal of 2340187 is 7810432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340187 - 2³ = 2340179 is a prime.

It is a super-4 number, since 4×2340187⁴ (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3¹¹ + 4⁸ + 0 + 1 + 8 + 7³ .

It is not a weakly prime, because it can be changed into another prime (2340167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170093 + 1170094.

It is an arithmetic number, because the mean of its divisors is an integer number (1170094).

2^2340187 is an apocalyptic number.

2340187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340187 is an equidigital number, since it uses as much as digits as its factorization.

2340187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2340187 is about 1529.7669757189. The cubic root of 2340187 is about 132.7649758546.

It can be divided in two parts, 2340 and 187, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 2340187 in words is "two million, three hundred forty thousand, one hundred eighty-seven".