30299649 has 16 divisors (see below), whose sum is σ = 41587392. Its totient is φ = 19611648.

The previous prime is 30299641. The next prime is 30299651. The reversal of 30299649 is 94699203.

It is not a de Polignac number, because 30299649 - 2³ = 30299641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30299649.

It is not an unprimeable number, because it can be changed into a prime (30299641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24289 + ... + 25505.

It is an arithmetic number, because the mean of its divisors is an integer number (2599212).

Almost surely, 2^30299649 is an apocalyptic number.

It is an amenable number.

30299649 is a deficient number, since it is larger than the sum of its proper divisors (11287743).

30299649 is a wasteful number, since it uses less digits than its factorization.

30299649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 30299649 is about 5504.5116949644. The cubic root of 30299649 is about 311.7543575237.

The spelling of 30299649 in words is "thirty million, two hundred ninety-nine thousand, six hundred forty-nine".