30840968 has 16 divisors (see below), whose sum is σ = 58560000. Its totient is φ = 15224976.

The previous prime is 30840947. The next prime is 30840991. The reversal of 30840968 is 86904803.

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, 23768 + ... + 25031.

It is an arithmetic number, because the mean of its divisors is an integer number (3660000).

Almost surely, 2^30840968 is an apocalyptic number.

It is an amenable number.

30840968 is a deficient number, since it is larger than the sum of its proper divisors (27719032).

30840968 is a wasteful number, since it uses less digits than its factorization.

30840968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884 (or 48880 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30840968 is about 5553.4645042532. The cubic root of 30840968 is about 313.5999611707.

The spelling of 30840968 in words is "thirty million, eight hundred forty thousand, nine hundred sixty-eight".