890000068 has 12 divisors (see below), whose sum is σ = 1593721360. Its totient is φ = 434651112.

The previous prime is 890000063. The next prime is 890000081. The reversal of 890000068 is 860000098.

890000068 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 889999994 and 890000039.

It is not an unprimeable number, because it can be changed into a prime (890000063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587038 + ... + 2587381.

Almost surely, 2^890000068 is an apocalyptic number.

It is an amenable number.

890000068 is a deficient number, since it is larger than the sum of its proper divisors (703721292).

890000068 is a wasteful number, since it uses less digits than its factorization.

890000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174466 (or 5174464 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 890000068 is about 29832.8689200352. The cubic root of 890000068 is about 961.9001961055.

The spelling of 890000068 in words is "eight hundred ninety million, sixty-eight", and thus it is an aban number.