27921098 has 8 divisors (see below), whose sum is σ = 41935008. Its totient is φ = 13942764.

The previous prime is 27921097. The next prime is 27921109. The reversal of 27921098 is 89012972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27921097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (5241876).

Almost surely, 2^27921098 is an apocalyptic number.

27921098 is a deficient number, since it is larger than the sum of its proper divisors (14013910).

27921098 is a wasteful number, since it uses less digits than its factorization.

27921098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 27921098 is about 5284.0418242099. The cubic root of 27921098 is about 303.3733991543.

The spelling of 27921098 in words is "twenty-seven million, nine hundred twenty-one thousand, ninety-eight".