30204994 has 4 divisors (see below), whose sum is σ = 45307494. Its totient is φ = 15102496.

The previous prime is 30204961. The next prime is 30205001. The reversal of 30204994 is 49940203.

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

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 6827769 = 4835^2 + 2613^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7551247 + ... + 7551250.

Almost surely, 2^30204994 is an apocalyptic number.

30204994 is a deficient number, since it is larger than the sum of its proper divisors (15102500).

30204994 is a wasteful number, since it uses less digits than its factorization.

30204994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102499.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30204994 is about 5495.9070225032. The cubic root of 30204994 is about 311.4293824653.

The spelling of 30204994 in words is "thirty million, two hundred four thousand, nine hundred ninety-four".