27930601 has 4 divisors (see below), whose sum is σ = 28134612. Its totient is φ = 27726592.

The previous prime is 27930593. The next prime is 27930611. The reversal of 27930601 is 10603972.

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 18071001 + 9859600 = 4251^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 27930601 - 2³ = 27930593 is a prime.

It is a super-3 number, since 3×27930601³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27930601.

It is not an unprimeable number, because it can be changed into a prime (27930611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101800 + ... + 102073.

It is an arithmetic number, because the mean of its divisors is an integer number (7033653).

Almost surely, 2^27930601 is an apocalyptic number.

It is an amenable number.

27930601 is a deficient number, since it is larger than the sum of its proper divisors (204011).

27930601 is a wasteful number, since it uses less digits than its factorization.

27930601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204010.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 27930601 is about 5284.9409646655. The cubic root of 27930601 is about 303.4078131590.

The spelling of 27930601 in words is "twenty-seven million, nine hundred thirty thousand, six hundred one".