890285 has 8 divisors (see below), whose sum is σ = 1165536. Its totient is φ = 647440.

The previous prime is 890237. The next prime is 890287. The reversal of 890285 is 582098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 890285 - 2⁶ = 890221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8039 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (145692).

2⁸⁹⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

890285 is a deficient number, since it is larger than the sum of its proper divisors (275251).

890285 is a wasteful number, since it uses less digits than its factorization.

890285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16203.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 890285 is about 943.5491508130. The cubic root of 890285 is about 96.2002835387.

The spelling of 890285 in words is "eight hundred ninety thousand, two hundred eighty-five".