30406648 has 16 divisors (see below), whose sum is σ = 57135960. Its totient is φ = 15170400.

The previous prime is 30406643. The next prime is 30406657. The reversal of 30406648 is 84660403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30406643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 7798.

Almost surely, 2^30406648 is an apocalyptic number.

It is an amenable number.

30406648 is a deficient number, since it is larger than the sum of its proper divisors (26729312).

30406648 is a wasteful number, since it uses less digits than its factorization.

30406648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238 (or 8234 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30406648 is about 5514.2223386440. Note that the first 3 decimals coincide. The cubic root of 30406648 is about 312.1208987959.

The spelling of 30406648 in words is "thirty million, four hundred six thousand, six hundred forty-eight".