30459985 has 4 divisors (see below), whose sum is σ = 36551988. Its totient is φ = 24367984.

The previous prime is 30459967. The next prime is 30460013. The reversal of 30459985 is 58995403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 20948929 = 3084^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 30459985 - 2¹¹ = 30457937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045994 + ... + 3046003.

It is an arithmetic number, because the mean of its divisors is an integer number (9137997).

Almost surely, 2^30459985 is an apocalyptic number.

It is an amenable number.

30459985 is a deficient number, since it is larger than the sum of its proper divisors (6092003).

30459985 is an equidigital number, since it uses as much as digits as its factorization.

30459985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092002.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 30459985 is about 5519.0565316909. The cubic root of 30459985 is about 312.3032916713.

The spelling of 30459985 in words is "thirty million, four hundred fifty-nine thousand, nine hundred eighty-five".