27098208 has 72 divisors (see below), whose sum is σ = 79174368. Its totient is φ = 8785152.

The previous prime is 27098207. The next prime is 27098219. The reversal of 27098208 is 80289072.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×27098208² = 1468625753622528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27098207) by changing a digit.

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, 9385 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (1099644).

Almost surely, 2^27098208 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 27098208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39587184).

27098208 is an abundant number, since it is smaller than the sum of its proper divisors (52076160).

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

27098208 is a wasteful number, since it uses less digits than its factorization.

27098208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 27098208 is about 5205.5939142426. The cubic root of 27098208 is about 300.3632932159.

The spelling of 27098208 in words is "twenty-seven million, ninety-eight thousand, two hundred eight".