290288 has 10 divisors (see below), whose sum is σ = 562464. Its totient is φ = 145136.

The previous prime is 290249. The next prime is 290317. The reversal of 290288 is 882092.

It is a self number, because there is not a number n which added to its sum of digits gives 290288.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290288.

It is an unprimeable number.

290288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9056 + ... + 9087.

2²⁹⁰²⁸⁸ is an apocalyptic number.

It is an amenable number.

290288 is a deficient number, since it is larger than the sum of its proper divisors (272176).

290288 is a wasteful number, since it uses less digits than its factorization.

290288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151 (or 18145 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 290288 is about 538.7838156441. The cubic root of 290288 is about 66.2129637539.

The spelling of 290288 in words is "two hundred ninety thousand, two hundred eighty-eight".