27969488 has 20 divisors (see below), whose sum is σ = 57379140. Its totient is φ = 13161984.

The previous prime is 27969457. The next prime is 27969497. The reversal of 27969488 is 88496972.

It can be written as a sum of positive squares in 2 ways, for example, as 13162384 + 14807104 = 3628^2 + 3848^2 .

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, 51143 + ... + 51686.

It is an arithmetic number, because the mean of its divisors is an integer number (2868957).

Almost surely, 2^27969488 is an apocalyptic number.

It is an amenable number.

27969488 is an abundant number, since it is smaller than the sum of its proper divisors (29409652).

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

27969488 is a wasteful number, since it uses less digits than its factorization.

27969488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102854 (or 102848 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 27969488 is about 5288.6187232585. The cubic root of 27969488 is about 303.5485566185.

The spelling of 27969488 in words is "twenty-seven million, nine hundred sixty-nine thousand, four hundred eighty-eight".