30604091 has 4 divisors (see below), whose sum is σ = 34976112. Its totient is φ = 26232072.

The previous prime is 30604051. The next prime is 30604109. The reversal of 30604091 is 19040603.

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

It is a cyclic number.

It is not a de Polignac number, because 30604091 - 2⁶ = 30604027 is a prime.

It is a super-2 number, since 2×30604091² = 1873220771872562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30604031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186000 + ... + 2186013.

It is an arithmetic number, because the mean of its divisors is an integer number (8744028).

Almost surely, 2^30604091 is an apocalyptic number.

30604091 is a deficient number, since it is larger than the sum of its proper divisors (4372021).

30604091 is an equidigital number, since it uses as much as digits as its factorization.

30604091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372020.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30604091 is about 5532.0964380603. The cubic root of 30604091 is about 312.7950186771.

Adding to 30604091 its reverse (19040603), we get a palindrome (49644694).

The spelling of 30604091 in words is "thirty million, six hundred four thousand, ninety-one".