4056687 has 12 divisors (see below), whose sum is σ = 5877144. Its totient is φ = 2696400.

The previous prime is 4056641. The next prime is 4056697. The reversal of 4056687 is 7866504.

It is a happy number.

It is not a de Polignac number, because 4056687 - 2⁶ = 4056623 is a prime.

4056687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5437 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (489762).

Almost surely, 2^4056687 is an apocalyptic number.

4056687 is a deficient number, since it is larger than the sum of its proper divisors (1820457).

4056687 is a wasteful number, since it uses less digits than its factorization.

4056687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4056687 is about 2014.1218930343. The cubic root of 4056687 is about 159.4864655071.

The spelling of 4056687 in words is "four million, fifty-six thousand, six hundred eighty-seven".