890497 has 4 divisors (see below), whose sum is σ = 903856. Its totient is φ = 877140.

The previous prime is 890467. The next prime is 890501. The reversal of 890497 is 794098.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890497 is a prime.

It is a Duffinian number.

890497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (890437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6579 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (225964).

2⁸⁹⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

890497 is a deficient number, since it is larger than the sum of its proper divisors (13359).

890497 is a wasteful number, since it uses less digits than its factorization.

890497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13358.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 890497 is about 943.6614859154. The cubic root of 890497 is about 96.2079188621.

The spelling of 890497 in words is "eight hundred ninety thousand, four hundred ninety-seven".