4609689 has 16 divisors (see below), whose sum is σ = 7062528. Its totient is φ = 2619792.

The previous prime is 4609687. The next prime is 4609691. The reversal of 4609689 is 9869064.

It is an interprime number because it is at equal distance from previous prime (4609687) and next prime (4609691).

It is not a de Polignac number, because 4609689 - 2¹ = 4609687 is a prime.

4609689 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4609689.

It is not an unprimeable number, because it can be changed into a prime (4609681) 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, 4284 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (441408).

Almost surely, 2^4609689 is an apocalyptic number.

It is an amenable number.

4609689 is a deficient number, since it is larger than the sum of its proper divisors (2452839).

4609689 is a wasteful number, since it uses less digits than its factorization.

4609689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 4609689 is about 2147.0186305666. The cubic root of 4609689 is about 166.4270347355.

The spelling of 4609689 in words is "four million, six hundred nine thousand, six hundred eighty-nine".