4591389 has 8 divisors (see below), whose sum is σ = 6678432. Its totient is φ = 2782640.

The previous prime is 4591387. The next prime is 4591393. The reversal of 4591389 is 9831954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4591389 - 2¹ = 4591387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69534 + ... + 69599.

It is an arithmetic number, because the mean of its divisors is an integer number (834804).

Almost surely, 2^4591389 is an apocalyptic number.

It is an amenable number.

4591389 is a deficient number, since it is larger than the sum of its proper divisors (2087043).

4591389 is a wasteful number, since it uses less digits than its factorization.

4591389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139147.

The product of its digits is 38880, while the sum is 39.

The square root of 4591389 is about 2142.7526688818. The cubic root of 4591389 is about 166.2065098144.

The spelling of 4591389 in words is "four million, five hundred ninety-one thousand, three hundred eighty-nine".