68849 has 6 divisors (see below), whose sum is σ = 75810. Its totient is φ = 62480.

The previous prime is 68821. The next prime is 68863. The reversal of 68849 is 94886.

It can be written as a sum of positive squares in only one way, i.e., 48400 + 20449 = 220^2 + 143^2 .

It is not a de Polignac number, because 68849 - 2¹⁶ = 3313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (68819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (12635).

2⁶⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

68849 is a deficient number, since it is larger than the sum of its proper divisors (6961).

68849 is a wasteful number, since it uses less digits than its factorization.

68849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 580 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 68849 is about 262.3909297213. The cubic root of 68849 is about 40.9857178095.

It can be divided in two parts, 688 and 49, that added together give a palindrome (737).

The spelling of 68849 in words is "sixty-eight thousand, eight hundred forty-nine".