30964609 has 4 divisors (see below), whose sum is σ = 33346516. Its totient is φ = 28582704.

The previous prime is 30964579. The next prime is 30964627. The reversal of 30964609 is 90646903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 23280625 = 2772^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 30964609 - 2⁹ = 30964097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30964649) 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 in 3 ways as a sum of consecutive naturals, for example, 1190934 + ... + 1190959.

It is an arithmetic number, because the mean of its divisors is an integer number (8336629).

Almost surely, 2^30964609 is an apocalyptic number.

It is an amenable number.

30964609 is a deficient number, since it is larger than the sum of its proper divisors (2381907).

30964609 is a wasteful number, since it uses less digits than its factorization.

30964609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381906.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 30964609 is about 5564.5852495941. The cubic root of 30964609 is about 314.0184749837.

The spelling of 30964609 in words is "thirty million, nine hundred sixty-four thousand, six hundred nine".