30493589 has 8 divisors (see below), whose sum is σ = 35125248. Its totient is φ = 25930800.

The previous prime is 30493583. The next prime is 30493601. The reversal of 30493589 is 98539403.

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

It is a de Polignac number, because none of the positive numbers 2^k-30493589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493583) 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 7 ways as a sum of consecutive naturals, for example, 16262 + ... + 18039.

It is an arithmetic number, because the mean of its divisors is an integer number (4390656).

Almost surely, 2^30493589 is an apocalyptic number.

It is an amenable number.

30493589 is a deficient number, since it is larger than the sum of its proper divisors (4631659).

30493589 is a wasteful number, since it uses less digits than its factorization.

30493589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34435.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 30493589 is about 5522.1000534217. The cubic root of 30493589 is about 312.4180956552.

The spelling of 30493589 in words is "thirty million, four hundred ninety-three thousand, five hundred eighty-nine".