290089 has 4 divisors (see below), whose sum is σ = 291456. Its totient is φ = 288724.

The previous prime is 290083. The next prime is 290107. The reversal of 290089 is 980092.

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 not a de Polignac number, because 290089 - 2⁵ = 290057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290083) 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, 289 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (72864).

2²⁹⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

290089 is a deficient number, since it is larger than the sum of its proper divisors (1367).

290089 is a wasteful number, since it uses less digits than its factorization.

290089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 290089 is about 538.5991087999. The cubic root of 290089 is about 66.1978300570.

The spelling of 290089 in words is "two hundred ninety thousand, eighty-nine".