890992 has 20 divisors (see below), whose sum is σ = 1740960. Its totient is φ = 441728.

The previous prime is 890969. The next prime is 890993. The reversal of 890992 is 299098.

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 (890993) by changing a digit.

890992 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, 3609 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2⁸⁹⁰⁹⁹² is an apocalyptic number.

It is an amenable number.

890992 is a deficient number, since it is larger than the sum of its proper divisors (849968).

890992 is a wasteful number, since it uses less digits than its factorization.

890992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 890992 is about 943.9237257321. The cubic root of 890992 is about 96.2257419049.

The spelling of 890992 in words is "eight hundred ninety thousand, nine hundred ninety-two".