290066 has 8 divisors (see below), whose sum is σ = 497280. Its totient is φ = 124308.

The previous prime is 290057. The next prime is 290083. The reversal of 290066 is 660092.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10346 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (62160).

2²⁹⁰⁰⁶⁶ is an apocalyptic number.

290066 is a deficient number, since it is larger than the sum of its proper divisors (207214).

290066 is a wasteful number, since it uses less digits than its factorization.

290066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20728.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 290066 is about 538.5777566889. The cubic root of 290066 is about 66.1960804901.

The spelling of 290066 in words is "two hundred ninety thousand, sixty-six".