27850489 has 2 divisors, whose sum is σ = 27850490. Its totient is φ = 27850488.

The previous prime is 27850483. The next prime is 27850499. The reversal of 27850489 is 98405872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 4376464 = 4845^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 27850489 - 2¹¹ = 27848441 is a prime.

It is not a weakly prime, because it can be changed into another prime (27850483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13925244 + 13925245.

It is an arithmetic number, because the mean of its divisors is an integer number (13925245).

Almost surely, 2^27850489 is an apocalyptic number.

It is an amenable number.

27850489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27850489 is an equidigital number, since it uses as much as digits as its factorization.

27850489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 27850489 is about 5277.3562510030. The cubic root of 27850489 is about 303.1174520245.

The spelling of 27850489 in words is "twenty-seven million, eight hundred fifty thousand, four hundred eighty-nine".