27861436 has 24 divisors (see below), whose sum is σ = 53294976. Its totient is φ = 12687360.

The previous prime is 27861433. The next prime is 27861437. The reversal of 27861436 is 63416872.

It is a junction number, because it is equal to n+sod(n) for n = 27861395 and 27861404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27861433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (2220624).

Almost surely, 2^27861436 is an apocalyptic number.

It is an amenable number.

27861436 is a deficient number, since it is larger than the sum of its proper divisors (25433540).

27861436 is a wasteful number, since it uses less digits than its factorization.

27861436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269 (or 13267 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 27861436 is about 5278.3933161522. The cubic root of 27861436 is about 303.1571615856.

The spelling of 27861436 in words is "twenty-seven million, eight hundred sixty-one thousand, four hundred thirty-six".