608749 has 2 divisors, whose sum is σ = 608750. Its totient is φ = 608748.

The previous prime is 608743. The next prime is 608759. The reversal of 608749 is 947806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 108900 = 707^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 608749 - 2¹³ = 600557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304374 + 304375.

It is an arithmetic number, because the mean of its divisors is an integer number (304375).

2⁶⁰⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

608749 is a deficient number, since it is larger than the sum of its proper divisors (1).

608749 is an equidigital number, since it uses as much as digits as its factorization.

608749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 608749 is about 780.2236858748. The cubic root of 608749 is about 84.7512450399.

The spelling of 608749 in words is "six hundred eight thousand, seven hundred forty-nine".