4007685 has 32 divisors (see below), whose sum is σ = 7091712. Its totient is φ = 1916480.

The previous prime is 4007677. The next prime is 4007687. The reversal of 4007685 is 5867004.

It is a happy number.

4007685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4007685 - 2³ = 4007677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007687) 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, 17542 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (221616).

Almost surely, 2^4007685 is an apocalyptic number.

It is an amenable number.

4007685 is a deficient number, since it is larger than the sum of its proper divisors (3084027).

4007685 is a wasteful number, since it uses less digits than its factorization.

4007685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 4007685 is about 2001.9203280850. The cubic root of 4007685 is about 158.8416999706.

The spelling of 4007685 in words is "four million, seven thousand, six hundred eighty-five".