30934385 has 4 divisors (see below), whose sum is σ = 37121268. Its totient is φ = 24747504.

The previous prime is 30934357. The next prime is 30934391. The reversal of 30934385 is 58343903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58343903 = 1619 ⋅36037.

It can be written as a sum of positive squares in 2 ways, for example, as 18515809 + 12418576 = 4303^2 + 3524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30934385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3093434 + ... + 3093443.

It is an arithmetic number, because the mean of its divisors is an integer number (9280317).

Almost surely, 2^30934385 is an apocalyptic number.

It is an amenable number.

30934385 is a deficient number, since it is larger than the sum of its proper divisors (6186883).

30934385 is an equidigital number, since it uses as much as digits as its factorization.

30934385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186882.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 30934385 is about 5561.8688405967. The cubic root of 30934385 is about 313.9162724549.

The spelling of 30934385 in words is "thirty million, nine hundred thirty-four thousand, three hundred eighty-five".