27398136 has 32 divisors (see below), whose sum is σ = 68653440. Its totient is φ = 9111648.

The previous prime is 27398113. The next prime is 27398143. The reversal of 27398136 is 63189372.

It is a junction number, because it is equal to n+sod(n) for n = 27398094 and 27398103.

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 7 ways as a sum of consecutive naturals, for example, 12085 + ... + 14171.

It is an arithmetic number, because the mean of its divisors is an integer number (2145420).

Almost surely, 2^27398136 is an apocalyptic number.

It is an amenable number.

27398136 is an abundant number, since it is smaller than the sum of its proper divisors (41255304).

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

27398136 is a wasteful number, since it uses less digits than its factorization.

27398136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2639 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 27398136 is about 5234.3228788450. The cubic root of 27398136 is about 301.4673886440.

The spelling of 27398136 in words is "twenty-seven million, three hundred ninety-eight thousand, one hundred thirty-six".