835489 has 2 divisors, whose sum is σ = 835490. Its totient is φ = 835488.

The previous prime is 835469. The next prime is 835511. The reversal of 835489 is 984538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824464 + 11025 = 908^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 835489 - 2¹⁵ = 802721 is a prime.

It is a Chen prime.

835489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (835459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417744 + 417745.

It is an arithmetic number, because the mean of its divisors is an integer number (417745).

2⁸³⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

835489 is a deficient number, since it is larger than the sum of its proper divisors (1).

835489 is an equidigital number, since it uses as much as digits as its factorization.

835489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 835489 is about 914.0508738577. The cubic root of 835489 is about 94.1846754221.

The spelling of 835489 in words is "eight hundred thirty-five thousand, four hundred eighty-nine".