4042687 has 24 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 3215520.

The previous prime is 4042673. The next prime is 4042693. The reversal of 4042687 is 7862404.

It is not a de Polignac number, because 4042687 - 2¹⁵ = 4009919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139389 + ... + 139417.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

Almost surely, 2^4042687 is an apocalyptic number.

4042687 is a deficient number, since it is larger than the sum of its proper divisors (974273).

4042687 is a wasteful number, since it uses less digits than its factorization.

4042687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 4042687 is about 2010.6434293529. The cubic root of 4042687 is about 159.3027865594.

The spelling of 4042687 in words is "four million, forty-two thousand, six hundred eighty-seven".