27486816 has 48 divisors (see below), whose sum is σ = 82462464. Its totient is φ = 7853184.

The previous prime is 27486799. The next prime is 27486827. The reversal of 27486816 is 61868472.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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, 19780 + ... + 21123.

It is an arithmetic number, because the mean of its divisors is an integer number (1717968).

Almost surely, 2^27486816 is an apocalyptic number.

It is an amenable number.

27486816 is an abundant number, since it is smaller than the sum of its proper divisors (54975648).

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

27486816 is a wasteful number, since it uses less digits than its factorization.

27486816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40923 (or 40915 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 27486816 is about 5242.7870450744. The cubic root of 27486816 is about 301.7922931823.

The spelling of 27486816 in words is "twenty-seven million, four hundred eighty-six thousand, eight hundred sixteen".