890984 has 8 divisors (see below), whose sum is σ = 1670610. Its totient is φ = 445488.

The previous prime is 890969. The next prime is 890993. The reversal of 890984 is 489098.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 386884 = 710^2 + 622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 890984.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55679 + ... + 55694.

2⁸⁹⁰⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

890984 is a deficient number, since it is larger than the sum of its proper divisors (779626).

890984 is a wasteful number, since it uses less digits than its factorization.

890984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111379 (or 111375 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 890984 is about 943.9194880921. The cubic root of 890984 is about 96.2254539082.

The spelling of 890984 in words is "eight hundred ninety thousand, nine hundred eighty-four".