806090 has 16 divisors (see below), whose sum is σ = 1463400. Its totient is φ = 319680.

The previous prime is 806087. The next prime is 806107. The reversal of 806090 is 90608.

It can be written as a sum of positive squares in 4 ways, for example, as 444889 + 361201 = 667^2 + 601^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 1760.

2⁸⁰⁶⁰⁹⁰ is an apocalyptic number.

806090 is a deficient number, since it is larger than the sum of its proper divisors (657310).

806090 is a wasteful number, since it uses less digits than its factorization.

806090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 806090 is about 897.8251500153. The cubic root of 806090 is about 93.0667420856.

Adding to 806090 its reverse (90608), we get a palindrome (896698).

The spelling of 806090 in words is "eight hundred six thousand, ninety".