4520789 has 24 divisors (see below), whose sum is σ = 5822208. Its totient is φ = 3477600.

The previous prime is 4520767. The next prime is 4520797. The reversal of 4520789 is 9870254.

It is a happy number.

It is not a de Polignac number, because 4520789 - 2⁸ = 4520533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29864 + ... + 30014.

It is an arithmetic number, because the mean of its divisors is an integer number (242592).

Almost surely, 2^4520789 is an apocalyptic number.

4520789 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4520789 is a deficient number, since it is larger than the sum of its proper divisors (1301419).

4520789 is a wasteful number, since it uses less digits than its factorization.

4520789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4520789 is about 2126.2147116413. The cubic root of 4520789 is about 165.3502081104.

The spelling of 4520789 in words is "four million, five hundred twenty thousand, seven hundred eighty-nine".