27900039 has 8 divisors (see below), whose sum is σ = 37529712. Its totient is φ = 18435200.

The previous prime is 27900023. The next prime is 27900133. The reversal of 27900039 is 93000972.

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 27900039 - 2⁴ = 27900023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27899979 and 27900015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27900239) 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, 40812 + ... + 41489.

It is an arithmetic number, because the mean of its divisors is an integer number (4691214).

Almost surely, 2^27900039 is an apocalyptic number.

27900039 is a deficient number, since it is larger than the sum of its proper divisors (9629673).

27900039 is a wasteful number, since it uses less digits than its factorization.

27900039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82417.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 27900039 is about 5282.0487502483. The cubic root of 27900039 is about 303.2971086100.

The spelling of 27900039 in words is "twenty-seven million, nine hundred thousand, thirty-nine".