27253986 has 8 divisors (see below), whose sum is σ = 54507984. Its totient is φ = 9084660.

The previous prime is 27253979. The next prime is 27253987. The reversal of 27253986 is 68935272.

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

27253986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27253987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271160 + ... + 2271171.

It is an arithmetic number, because the mean of its divisors is an integer number (6813498).

Almost surely, 2^27253986 is an apocalyptic number.

27253986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27253986 is a wasteful number, since it uses less digits than its factorization.

27253986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542336.

The product of its digits is 181440, while the sum is 42.

The square root of 27253986 is about 5220.5350300520. The cubic root of 27253986 is about 300.9377545560.

The spelling of 27253986 in words is "twenty-seven million, two hundred fifty-three thousand, nine hundred eighty-six".