27842146 has 12 divisors (see below), whose sum is σ = 43255602. Its totient is φ = 13440224.

The previous prime is 27842081. The next prime is 27842147. The reversal of 27842146 is 64124872.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 27678121 + 164025 = 5261^2 + 405^2 .

It is not an unprimeable number, because it can be changed into a prime (27842147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6595 + ... + 9958.

Almost surely, 2^27842146 is an apocalyptic number.

27842146 is a deficient number, since it is larger than the sum of its proper divisors (15413456).

27842146 is a wasteful number, since it uses less digits than its factorization.

27842146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613 (or 16584 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 27842146 is about 5276.5657391906. The cubic root of 27842146 is about 303.0871813236.

It can be divided in two parts, 278 and 42146, that added together give a palindrome (42424).

The spelling of 27842146 in words is "twenty-seven million, eight hundred forty-two thousand, one hundred forty-six".