30684004 has 12 divisors (see below), whose sum is σ = 57827644. Its totient is φ = 14161824.

The previous prime is 30683987. The next prime is 30684007. The reversal of 30684004 is 40048603.

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 19448100 = 3352^2 + 4410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30684004.

It is not an unprimeable number, because it can be changed into a prime (30684007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294987 + ... + 295090.

Almost surely, 2^30684004 is an apocalyptic number.

It is an amenable number.

30684004 is a deficient number, since it is larger than the sum of its proper divisors (27143640).

30684004 is a wasteful number, since it uses less digits than its factorization.

30684004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590094 (or 590092 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30684004 is about 5539.3143980099. The cubic root of 30684004 is about 313.0670374636.

The spelling of 30684004 in words is "thirty million, six hundred eighty-four thousand, four".