4609789 has 4 divisors (see below), whose sum is σ = 4614624. Its totient is φ = 4604956.

The previous prime is 4609783. The next prime is 4609849. The reversal of 4609789 is 9879064.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4609789 - 2⁹ = 4609277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (1153656).

Almost surely, 2^4609789 is an apocalyptic number.

It is an amenable number.

4609789 is a deficient number, since it is larger than the sum of its proper divisors (4835).

4609789 is a wasteful number, since it uses less digits than its factorization.

4609789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4609789 is about 2147.0419185475. The cubic root of 4609789 is about 166.4282381849.

The spelling of 4609789 in words is "four million, six hundred nine thousand, seven hundred eighty-nine".