27871484 has 12 divisors (see below), whose sum is σ = 49031808. Its totient is φ = 13862780.

The previous prime is 27871457. The next prime is 27871549. The reversal of 27871484 is 48417872.

27871484 = 283² + 284² + ... + 473².

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 145829 + ... + 146019.

It is an arithmetic number, because the mean of its divisors is an integer number (4085984).

Almost surely, 2^27871484 is an apocalyptic number.

It is an amenable number.

27871484 is a deficient number, since it is larger than the sum of its proper divisors (21160324).

27871484 is an frugal number, since it uses more digits than its factorization.

27871484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 193 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 27871484 is about 5279.3450351346. The cubic root of 27871484 is about 303.1936009259.

The spelling of 27871484 in words is "twenty-seven million, eight hundred seventy-one thousand, four hundred eighty-four".