4076689 has 4 divisors (see below), whose sum is σ = 4089124. Its totient is φ = 4064256.

The previous prime is 4076647. The next prime is 4076713. The reversal of 4076689 is 9866704.

4076689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 497025 + 3579664 = 705^2 + 1892^2 .

It is a 4-Lehmer number, since φ(4076689) divides (4076689-1)⁴.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4076689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4076629) 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 3 ways as a sum of consecutive naturals, for example, 5712 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (1022281).

Almost surely, 2^4076689 is an apocalyptic number.

It is an amenable number.

4076689 is a deficient number, since it is larger than the sum of its proper divisors (12435).

4076689 is a wasteful number, since it uses less digits than its factorization.

4076689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4076689 is about 2019.0812266969. The cubic root of 4076689 is about 159.7481584946.

It can be divided in two parts, 40 and 76689, that added together give a square (76729 = 277²).

The spelling of 4076689 in words is "four million, seventy-six thousand, six hundred eighty-nine".