610868 has 6 divisors (see below), whose sum is σ = 1069026. Its totient is φ = 305432.

The previous prime is 610867. The next prime is 610877. The reversal of 610868 is 868016.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 14884 = 772^2 + 122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 610868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76355 + ... + 76362.

It is an arithmetic number, because the mean of its divisors is an integer number (178171).

2⁶¹⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

610868 is a deficient number, since it is larger than the sum of its proper divisors (458158).

610868 is a wasteful number, since it uses less digits than its factorization.

610868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152721 (or 152719 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 610868 is about 781.5804501137. The cubic root of 610868 is about 84.8494682890.

The spelling of 610868 in words is "six hundred ten thousand, eight hundred sixty-eight".