290104 has 8 divisors (see below), whose sum is σ = 543960. Its totient is φ = 145048.

The previous prime is 290083. The next prime is 290107. The reversal of 290104 is 401092.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290107) by changing a digit.

290104 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, 18124 + ... + 18139.

It is an arithmetic number, because the mean of its divisors is an integer number (67995).

2²⁹⁰¹⁰⁴ is an apocalyptic number.

It is an amenable number.

290104 is a deficient number, since it is larger than the sum of its proper divisors (253856).

290104 is a wasteful number, since it uses less digits than its factorization.

290104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36269 (or 36265 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 290104 is about 538.6130336336. The cubic root of 290104 is about 66.1989710291.

Adding to 290104 its reverse (401092), we get a palindrome (691196).

The spelling of 290104 in words is "two hundred ninety thousand, one hundred four".