4687665 has 32 divisors (see below), whose sum is σ = 8211456. Its totient is φ = 2273280.

The previous prime is 4687663. The next prime is 4687673. The reversal of 4687665 is 5667864.

It is a happy number.

It is not a de Polignac number, because 4687665 - 2¹ = 4687663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4687663) 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 31 ways as a sum of consecutive naturals, for example, 7609 + ... + 8201.

It is an arithmetic number, because the mean of its divisors is an integer number (256608).

Almost surely, 2^4687665 is an apocalyptic number.

It is an amenable number.

4687665 is a deficient number, since it is larger than the sum of its proper divisors (3523791).

4687665 is a wasteful number, since it uses less digits than its factorization.

4687665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its digits is 241920, while the sum is 42.

The square root of 4687665 is about 2165.1016142435. The cubic root of 4687665 is about 167.3602011675.

The spelling of 4687665 in words is "four million, six hundred eighty-seven thousand, six hundred sixty-five".