4687686 has 32 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1528488.

The previous prime is 4687681. The next prime is 4687693. The reversal of 4687686 is 6867864.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^4687686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4687686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322240).

4687686 is an abundant number, since it is smaller than the sum of its proper divisors (5956794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4687686 is a wasteful number, since it uses less digits than its factorization.

4687686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1899 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 4687686 is about 2165.1064638950. The cubic root of 4687686 is about 167.3604510829.

The spelling of 4687686 in words is "four million, six hundred eighty-seven thousand, six hundred eighty-six".