4561389 has 24 divisors (see below), whose sum is σ = 7974720. Its totient is φ = 2452608.

The previous prime is 4561379. The next prime is 4561393. The reversal of 4561389 is 9831654.

It is a de Polignac number, because none of the positive numbers 2^k-4561389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561369) 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, 1059 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (332280).

Almost surely, 2^4561389 is an apocalyptic number.

It is an amenable number.

4561389 is a deficient number, since it is larger than the sum of its proper divisors (3413331).

4561389 is a wasteful number, since it uses less digits than its factorization.

4561389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289 (or 4286 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4561389 is about 2135.7408550665. The cubic root of 4561389 is about 165.8437223752.

It can be divided in two parts, 4561 and 389, that added together give a triangular number (4950 = T₉₉).

The spelling of 4561389 in words is "four million, five hundred sixty-one thousand, three hundred eighty-nine".