85608449 has 2 divisors, whose sum is σ = 85608450. Its totient is φ = 85608448.

The previous prime is 85608427. The next prime is 85608473. The reversal of 85608449 is 94480658.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 692224 = 9215^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 85608449 - 2¹² = 85604353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85608749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42804224 + 42804225.

It is an arithmetic number, because the mean of its divisors is an integer number (42804225).

Almost surely, 2^85608449 is an apocalyptic number.

It is an amenable number.

85608449 is a deficient number, since it is larger than the sum of its proper divisors (1).

85608449 is an equidigital number, since it uses as much as digits as its factorization.

85608449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 85608449 is about 9252.4833963645. The cubic root of 85608449 is about 440.7295901743.

The spelling of 85608449 in words is "eighty-five million, six hundred eight thousand, four hundred forty-nine".