68839300 has 18 divisors (see below), whose sum is σ = 149381498. Its totient is φ = 27535680.

The previous prime is 68839297. The next prime is 68839343. The reversal of 68839300 is 393886.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20647936 + 48191364 = 4544^2 + 6942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68839300.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 344097 + ... + 344296.

Almost surely, 2^68839300 is an apocalyptic number.

It is an amenable number.

68839300 is an abundant number, since it is smaller than the sum of its proper divisors (80542198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68839300 is a wasteful number, since it uses less digits than its factorization.

68839300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688407 (or 688400 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68839300 is about 8296.9452209834. The cubic root of 68839300 is about 409.8379292007.

The spelling of 68839300 in words is "sixty-eight million, eight hundred thirty-nine thousand, three hundred".