30948208 has 10 divisors (see below), whose sum is σ = 59962184. Its totient is φ = 15474096.

The previous prime is 30948187. The next prime is 30948209. The reversal of 30948208 is 80284903.

It is a super-2 number, since 2×30948208² = 1915583156822528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30948209) 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 as a sum of consecutive naturals, namely, 967116 + ... + 967147.

Almost surely, 2^30948208 is an apocalyptic number.

It is an amenable number.

30948208 is a deficient number, since it is larger than the sum of its proper divisors (29013976).

30948208 is a wasteful number, since it uses less digits than its factorization.

30948208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934271 (or 1934265 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 30948208 is about 5563.1113596620. Note that the first 3 decimals coincide. The cubic root of 30948208 is about 313.9630232196.

The spelling of 30948208 in words is "thirty million, nine hundred forty-eight thousand, two hundred eight".