4002687 has 12 divisors (see below), whose sum is σ = 6226584. Its totient is φ = 2463120.

The previous prime is 4002679. The next prime is 4002709. The reversal of 4002687 is 7862004.

It is not a de Polignac number, because 4002687 - 2³ = 4002679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4002687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006687) 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, 16989 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (518882).

Almost surely, 2^4002687 is an apocalyptic number.

4002687 is a deficient number, since it is larger than the sum of its proper divisors (2223897).

4002687 is a wasteful number, since it uses less digits than its factorization.

4002687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34230 (or 34227 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4002687 is about 2000.6716372259. The cubic root of 4002687 is about 158.7756417960.

The spelling of 4002687 in words is "four million, two thousand, six hundred eighty-seven".