27311148 has 24 divisors (see below), whose sum is σ = 70806960. Its totient is φ = 9103680.

The previous prime is 27311147. The next prime is 27311153. The reversal of 27311148 is 84111372.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27311147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126333 + ... + 126548.

It is an arithmetic number, because the mean of its divisors is an integer number (2950290).

Almost surely, 2^27311148 is an apocalyptic number.

It is an amenable number.

27311148 is an abundant number, since it is smaller than the sum of its proper divisors (43495812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27311148 is a wasteful number, since it uses less digits than its factorization.

27311148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252894 (or 252886 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 27311148 is about 5226.0068886292. The cubic root of 27311148 is about 301.1480013726.

The spelling of 27311148 in words is "twenty-seven million, three hundred eleven thousand, one hundred forty-eight".