30684082 has 32 divisors (see below), whose sum is σ = 57262464. Its totient is φ = 12115200.

The previous prime is 30684077. The next prime is 30684083. The reversal of 30684082 is 28048603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30684083) 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 15 ways as a sum of consecutive naturals, for example, 1707 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (1789452).

Almost surely, 2^30684082 is an apocalyptic number.

30684082 is a deficient number, since it is larger than the sum of its proper divisors (26578382).

30684082 is a wasteful number, since it uses less digits than its factorization.

30684082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 30684082 is about 5539.3214385879. The cubic root of 30684082 is about 313.0673027398.

The spelling of 30684082 in words is "thirty million, six hundred eighty-four thousand, eighty-two".