27842538 has 8 divisors (see below), whose sum is σ = 55685088. Its totient is φ = 9280844.

The previous prime is 27842509. The next prime is 27842561. The reversal of 27842538 is 83524872.

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

27842538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27842496 and 27842505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320206 + ... + 2320217.

It is an arithmetic number, because the mean of its divisors is an integer number (6960636).

Almost surely, 2^27842538 is an apocalyptic number.

27842538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27842538 is a wasteful number, since it uses less digits than its factorization.

27842538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640428.

The product of its digits is 107520, while the sum is 39.

The square root of 27842538 is about 5276.6028844324. The cubic root of 27842538 is about 303.0886037429.

The spelling of 27842538 in words is "twenty-seven million, eight hundred forty-two thousand, five hundred thirty-eight".