30960938 has 8 divisors (see below), whose sum is σ = 46488288. Its totient is φ = 15464844.

The previous prime is 30960931. The next prime is 30960947. The reversal of 30960938 is 83906903.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30960931) 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 3 ways as a sum of consecutive naturals, for example, 5156 + ... + 9407.

It is an arithmetic number, because the mean of its divisors is an integer number (5811036).

Almost surely, 2^30960938 is an apocalyptic number.

30960938 is a deficient number, since it is larger than the sum of its proper divisors (15527350).

30960938 is a wasteful number, since it uses less digits than its factorization.

30960938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15628.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30960938 is about 5564.2553859434. The cubic root of 30960938 is about 314.0060650376.

The spelling of 30960938 in words is "thirty million, nine hundred sixty thousand, nine hundred thirty-eight".