27385481 has 8 divisors (see below), whose sum is σ = 27937728. Its totient is φ = 26838000.

The previous prime is 27385451. The next prime is 27385543. The reversal of 27385481 is 18458372.

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

It is not a de Polignac number, because 27385481 - 2¹⁰ = 27384457 is a prime.

It is a super-2 number, since 2×27385481² = 1499929139202722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27385411) 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, 11786 + ... + 13916.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2^27385481 is an apocalyptic number.

It is an amenable number.

27385481 is a deficient number, since it is larger than the sum of its proper divisors (552247).

27385481 is a wasteful number, since it uses less digits than its factorization.

27385481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its digits is 53760, while the sum is 38.

The square root of 27385481 is about 5233.1138913653. The cubic root of 27385481 is about 301.4209662969.

The spelling of 27385481 in words is "twenty-seven million, three hundred eighty-five thousand, four hundred eighty-one".