27906923 has 8 divisors (see below), whose sum is σ = 30740736. Its totient is φ = 25122600.

The previous prime is 27906899. The next prime is 27906947. The reversal of 27906923 is 32960972.

It is an interprime number because it is at equal distance from previous prime (27906899) and next prime (27906947).

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 27906923 - 2¹² = 27902827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27906973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11183 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (3842592).

Almost surely, 2^27906923 is an apocalyptic number.

27906923 is a deficient number, since it is larger than the sum of its proper divisors (2833813).

27906923 is a wasteful number, since it uses less digits than its factorization.

27906923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24745.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 27906923 is about 5282.7003511462. The cubic root of 27906923 is about 303.3220515333.

The spelling of 27906923 in words is "twenty-seven million, nine hundred six thousand, nine hundred twenty-three".