4538687 has 2 divisors, whose sum is σ = 4538688. Its totient is φ = 4538686.

The previous prime is 4538671. The next prime is 4538707. The reversal of 4538687 is 7868354.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4538687 - 2⁴ = 4538671 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4538627) 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 as a sum of consecutive naturals, namely, 2269343 + 2269344.

It is an arithmetic number, because the mean of its divisors is an integer number (2269344).

Almost surely, 2^4538687 is an apocalyptic number.

4538687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538687 is an equidigital number, since it uses as much as digits as its factorization.

4538687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 4538687 is about 2130.4194422695. The cubic root of 4538687 is about 165.5681303269.

It can be divided in two parts, 4538 and 687, that added together give a palindrome (5225).

The spelling of 4538687 in words is "four million, five hundred thirty-eight thousand, six hundred eighty-seven".