335606489 has 2 divisors, whose sum is σ = 335606490. Its totient is φ = 335606488.

The previous prime is 335606471. The next prime is 335606521. The reversal of 335606489 is 984606533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193210000 + 142396489 = 13900^2 + 11933^2 .

It is a cyclic number.

It is not a de Polignac number, because 335606489 - 2⁸ = 335606233 is a prime.

It is a super-2 number, since 2×335606489² = 225263430917814242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (335606419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167803244 + 167803245.

It is an arithmetic number, because the mean of its divisors is an integer number (167803245).

Almost surely, 2^335606489 is an apocalyptic number.

It is an amenable number.

335606489 is a deficient number, since it is larger than the sum of its proper divisors (1).

335606489 is an equidigital number, since it uses as much as digits as its factorization.

335606489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 335606489 is about 18319.5657426698. The cubic root of 335606489 is about 694.9338232109.

Adding to 335606489 its sum of digits (44), we get a palindrome (335606533).

The spelling of 335606489 in words is "three hundred thirty-five million, six hundred six thousand, four hundred eighty-nine".