27158936 has 48 divisors (see below), whose sum is σ = 60055200. Its totient is φ = 11479104.

The previous prime is 27158927. The next prime is 27158941. The reversal of 27158936 is 63985172.

It is a junction number, because it is equal to n+sod(n) for n = 27158893 and 27158902.

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 11 ways as a sum of consecutive naturals, for example, 30530 + ... + 31406.

It is an arithmetic number, because the mean of its divisors is an integer number (1251150).

Almost surely, 2^27158936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27158936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30027600).

27158936 is an abundant number, since it is smaller than the sum of its proper divisors (32896264).

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

27158936 is a wasteful number, since it uses less digits than its factorization.

27158936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 965 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 27158936 is about 5211.4236058874. The cubic root of 27158936 is about 300.5875005777.

The spelling of 27158936 in words is "twenty-seven million, one hundred fifty-eight thousand, nine hundred thirty-six".