600840749 has 2 divisors, whose sum is σ = 600840750. Its totient is φ = 600840748.

The previous prime is 600840739. The next prime is 600840767. The reversal of 600840749 is 947048006.

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., 461175625 + 139665124 = 21475^2 + 11818^2 .

It is a cyclic number.

It is not a de Polignac number, because 600840749 - 2²⁴ = 584063533 is a prime.

It is a super-2 number, since 2×600840749² = 722019211317762002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (600840739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300420374 + 300420375.

It is an arithmetic number, because the mean of its divisors is an integer number (300420375).

Almost surely, 2^600840749 is an apocalyptic number.

It is an amenable number.

600840749 is a deficient number, since it is larger than the sum of its proper divisors (1).

600840749 is an equidigital number, since it uses as much as digits as its factorization.

600840749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 600840749 is about 24512.0531371813. The cubic root of 600840749 is about 843.8264343084.

The spelling of 600840749 in words is "six hundred million, eight hundred forty thousand, seven hundred forty-nine".