27939258 has 24 divisors (see below), whose sum is σ = 60653268. Its totient is φ = 9294912.

The previous prime is 27939257. The next prime is 27939271. The reversal of 27939258 is 85293972.

It can be written as a sum of positive squares in 2 ways, for example, as 26904969 + 1034289 = 5187^2 + 1017^2 .

It is a super-3 number, since 3×27939258³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27939251) 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, 10566 + ... + 12942.

Almost surely, 2^27939258 is an apocalyptic number.

27939258 is an abundant number, since it is smaller than the sum of its proper divisors (32714010).

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

27939258 is a wasteful number, since it uses less digits than its factorization.

27939258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3035 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 27939258 is about 5285.7599264439. The cubic root of 27939258 is about 303.4391566798.

The spelling of 27939258 in words is "twenty-seven million, nine hundred thirty-nine thousand, two hundred fifty-eight".