27348981 has 8 divisors (see below), whose sum is σ = 39780384. Its totient is φ = 16575120.

The previous prime is 27348977. The next prime is 27348983. The reversal of 27348981 is 18984372.

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

It is not a de Polignac number, because 27348981 - 2² = 27348977 is a prime.

It is a super-2 number, since 2×27348981² = 1495933523476722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27348983) 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, 414346 + ... + 414411.

It is an arithmetic number, because the mean of its divisors is an integer number (4972548).

Almost surely, 2^27348981 is an apocalyptic number.

It is an amenable number.

27348981 is a deficient number, since it is larger than the sum of its proper divisors (12431403).

27348981 is a wasteful number, since it uses less digits than its factorization.

27348981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828771.

The product of its digits is 96768, while the sum is 42.

The square root of 27348981 is about 5229.6253211870. The cubic root of 27348981 is about 301.2869931557.

The spelling of 27348981 in words is "twenty-seven million, three hundred forty-eight thousand, nine hundred eighty-one".