4231687 has 2 divisors, whose sum is σ = 4231688. Its totient is φ = 4231686.

The previous prime is 4231663. The next prime is 4231697. The reversal of 4231687 is 7861324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4231687 - 2⁷ = 4231559 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹¹ + 3⁷ + 1 + 6² + 8⁵ + 7³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115843 + 2115844.

It is an arithmetic number, because the mean of its divisors is an integer number (2115844).

Almost surely, 2^4231687 is an apocalyptic number.

4231687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231687 is an equidigital number, since it uses as much as digits as its factorization.

4231687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 4231687 is about 2057.1064629717. The cubic root of 4231687 is about 161.7476001514.

The spelling of 4231687 in words is "four million, two hundred thirty-one thousand, six hundred eighty-seven".