27198336 has 128 divisors (see below), whose sum is σ = 81077760. Its totient is φ = 8007680.

The previous prime is 27198331. The next prime is 27198337. The reversal of 27198336 is 63389172.

It is a tau number, because it is divible by the number of its divisors (128).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 27198294 and 27198303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27198331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198460 + ... + 198596.

It is an arithmetic number, because the mean of its divisors is an integer number (633420).

Almost surely, 2^27198336 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 27198336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40538880).

27198336 is an abundant number, since it is smaller than the sum of its proper divisors (53879424).

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

27198336 is a wasteful number, since it uses less digits than its factorization.

27198336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 200 counting only the distinct ones).

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

The square root of 27198336 is about 5215.2023930045. The cubic root of 27198336 is about 300.7327864007.

The spelling of 27198336 in words is "twenty-seven million, one hundred ninety-eight thousand, three hundred thirty-six".