27084921 has 8 divisors (see below), whose sum is σ = 36142944. Its totient is φ = 18041760.

The previous prime is 27084919. The next prime is 27084923. The reversal of 27084921 is 12948072.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27084919) and next prime (27084923).

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

It is not a de Polignac number, because 27084921 - 2¹ = 27084919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27084923) 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, 1645 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (4517868).

Almost surely, 2^27084921 is an apocalyptic number.

It is an amenable number.

27084921 is a deficient number, since it is larger than the sum of its proper divisors (9058023).

27084921 is a wasteful number, since it uses less digits than its factorization.

27084921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 27084921 is about 5204.3175345092. The cubic root of 27084921 is about 300.3141930498.

The spelling of 27084921 in words is "twenty-seven million, eighty-four thousand, nine hundred twenty-one".