4234789 has 4 divisors (see below), whose sum is σ = 4560556. Its totient is φ = 3909024.

The previous prime is 4234787. The next prime is 4234793. The reversal of 4234789 is 9874324.

It is a happy number.

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 302500 + 3932289 = 550^2 + 1983^2 .

It is a cyclic number.

It is not a de Polignac number, because 4234789 - 2¹ = 4234787 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 2 + 3⁸ + 4¹¹ + 7² + 8⁵ + 9² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234781) 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, 162864 + ... + 162889.

It is an arithmetic number, because the mean of its divisors is an integer number (1140139).

Almost surely, 2^4234789 is an apocalyptic number.

It is an amenable number.

4234789 is a deficient number, since it is larger than the sum of its proper divisors (325767).

4234789 is a wasteful number, since it uses less digits than its factorization.

4234789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325766.

The product of its digits is 48384, while the sum is 37.

The square root of 4234789 is about 2057.8602965216. The cubic root of 4234789 is about 161.7871130380.

It can be divided in two parts, 42347 and 89, that added together give a square (42436 = 206²).

The spelling of 4234789 in words is "four million, two hundred thirty-four thousand, seven hundred eighty-nine".