4057687 has 2 divisors, whose sum is σ = 4057688. Its totient is φ = 4057686.

The previous prime is 4057681. The next prime is 4057693. The reversal of 4057687 is 7867504.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4057681) and next prime (4057693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4057687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4057681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028843 + 2028844.

It is an arithmetic number, because the mean of its divisors is an integer number (2028844).

Almost surely, 2^4057687 is an apocalyptic number.

4057687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057687 is an equidigital number, since it uses as much as digits as its factorization.

4057687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 4057687 is about 2014.3701248777. The cubic root of 4057687 is about 159.4995692510.

The spelling of 4057687 in words is "four million, fifty-seven thousand, six hundred eighty-seven".