27630289 has 8 divisors (see below), whose sum is σ = 28289088. Its totient is φ = 26979120.

The previous prime is 27630283. The next prime is 27630299. The reversal of 27630289 is 98203672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27630289 - 2⁵ = 27630257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27630283) 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 7 ways as a sum of consecutive naturals, for example, 5779 + ... + 9415.

It is an arithmetic number, because the mean of its divisors is an integer number (3536136).

Almost surely, 2^27630289 is an apocalyptic number.

It is an amenable number.

27630289 is a deficient number, since it is larger than the sum of its proper divisors (658799).

27630289 is a wasteful number, since it uses less digits than its factorization.

27630289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 27630289 is about 5256.4521304774. The cubic root of 27630289 is about 302.3164708746.

The spelling of 27630289 in words is "twenty-seven million, six hundred thirty thousand, two hundred eighty-nine".