4507389 has 24 divisors (see below), whose sum is σ = 7024160. Its totient is φ = 2776032.

The previous prime is 4507387. The next prime is 4507421. The reversal of 4507389 is 9837054.

It is not a de Polignac number, because 4507389 - 2¹ = 4507387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4507381) 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, 7047 + ... + 7659.

Almost surely, 2^4507389 is an apocalyptic number.

It is an amenable number.

4507389 is a deficient number, since it is larger than the sum of its proper divisors (2516771).

4507389 is a wasteful number, since it uses less digits than its factorization.

4507389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4507389 is about 2123.0612332196. The cubic root of 4507389 is about 165.1866757736.

The spelling of 4507389 in words is "four million, five hundred seven thousand, three hundred eighty-nine".