27855234 has 24 divisors (see below), whose sum is σ = 65840112. Its totient is φ = 8440920.

The previous prime is 27855221. The next prime is 27855239. The reversal of 27855234 is 43255872.

27855234 is a `hidden beast` number, since 2 + 78 + 552 + 34 = 666.

It is a super-2 number, since 2×27855234² = 1551828122389512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27855239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70144 + ... + 70539.

It is an arithmetic number, because the mean of its divisors is an integer number (2743338).

Almost surely, 2^27855234 is an apocalyptic number.

27855234 is an abundant number, since it is smaller than the sum of its proper divisors (37984878).

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

27855234 is a wasteful number, since it uses less digits than its factorization.

27855234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140702 (or 140699 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 27855234 is about 5277.8057940777. The cubic root of 27855234 is about 303.1346654940.

The spelling of 27855234 in words is "twenty-seven million, eight hundred fifty-five thousand, two hundred thirty-four".