30893648 has 20 divisors (see below), whose sum is σ = 60207828. Its totient is φ = 15356160.

The previous prime is 30893609. The next prime is 30893659. The reversal of 30893648 is 84639803.

It can be written as a sum of positive squares in 2 ways, for example, as 13017664 + 17875984 = 3608^2 + 4228^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2813 + ... + 8348.

Almost surely, 2^30893648 is an apocalyptic number.

It is an amenable number.

30893648 is a deficient number, since it is larger than the sum of its proper divisors (29314180).

30893648 is a wasteful number, since it uses less digits than its factorization.

30893648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 30893648 is about 5558.2054657956. The cubic root of 30893648 is about 313.7784148062.

The spelling of 30893648 in words is "thirty million, eight hundred ninety-three thousand, six hundred forty-eight".