68389000 has 32 divisors (see below), whose sum is σ = 160032600. Its totient is φ = 27355200.

The previous prime is 68388997. The next prime is 68389001. The reversal of 68389000 is 98386.

It can be written as a sum of positive squares in 4 ways, for example, as 31203396 + 37185604 = 5586^2 + 6098^2 .

It is not an unprimeable number, because it can be changed into a prime (68389001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33195 + ... + 35194.

Almost surely, 2^68389000 is an apocalyptic number.

It is an amenable number.

68389000 is an abundant number, since it is smaller than the sum of its proper divisors (91643600).

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

68389000 is a wasteful number, since it uses less digits than its factorization.

68389000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68410 (or 68396 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68389000 is about 8269.7642046191. The cubic root of 68389000 is about 408.9423463548.

The spelling of 68389000 in words is "sixty-eight million, three hundred eighty-nine thousand".