890688 has 28 divisors (see below), whose sum is σ = 2357120. Its totient is φ = 296832.

The previous prime is 890683. The next prime is 890707. The reversal of 890688 is 886098.

It is a super-2 number, since 2×890688² = 1586650226688, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890683) by changing a digit.

890688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128 + ... + 2511.

2⁸⁹⁰⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

890688 is an abundant number, since it is smaller than the sum of its proper divisors (1466432).

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

890688 is a wasteful number, since it uses less digits than its factorization.

890688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 890688 is about 943.7626820340. The cubic root of 890688 is about 96.2147968186.

The spelling of 890688 in words is "eight hundred ninety thousand, six hundred eighty-eight".