27291936 has 96 divisors (see below), whose sum is σ = 86728320. Its totient is φ = 7335936.

The previous prime is 27291889. The next prime is 27291941. The reversal of 27291936 is 63919272.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 27291894 and 27291903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10230 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (903420).

Almost surely, 2^27291936 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 27291936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43364160).

27291936 is an abundant number, since it is smaller than the sum of its proper divisors (59436384).

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

27291936 is a wasteful number, since it uses less digits than its factorization.

27291936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2418 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 27291936 is about 5224.1684505766. The cubic root of 27291936 is about 301.0773707206.

The spelling of 27291936 in words is "twenty-seven million, two hundred ninety-one thousand, nine hundred thirty-six".