890384 has 20 divisors (see below), whose sum is σ = 1882320. Its totient is φ = 404640.

The previous prime is 890377. The next prime is 890419. The reversal of 890384 is 483098.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 890384.

It is an unprimeable number.

890384 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, 2354 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (94116).

2⁸⁹⁰³⁸⁴ is an apocalyptic number.

It is an amenable number.

890384 is an abundant number, since it is smaller than the sum of its proper divisors (991936).

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

890384 is a wasteful number, since it uses less digits than its factorization.

890384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 890384 is about 943.6016108507. The cubic root of 890384 is about 96.2038492415.

The spelling of 890384 in words is "eight hundred ninety thousand, three hundred eighty-four".