27854438 has 4 divisors (see below), whose sum is σ = 41781660. Its totient is φ = 13927218.

The previous prime is 27854401. The next prime is 27854443. The reversal of 27854438 is 83445872.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 27854395 and 27854404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6963608 + ... + 6963611.

It is an arithmetic number, because the mean of its divisors is an integer number (10445415).

Almost surely, 2^27854438 is an apocalyptic number.

27854438 is a deficient number, since it is larger than the sum of its proper divisors (13927222).

27854438 is a wasteful number, since it uses less digits than its factorization.

27854438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927221.

The product of its digits is 215040, while the sum is 41.

The square root of 27854438 is about 5277.7303834129. The cubic root of 27854438 is about 303.1317779758.

The spelling of 27854438 in words is "twenty-seven million, eight hundred fifty-four thousand, four hundred thirty-eight".