290898 has 16 divisors (see below), whose sum is σ = 646560. Its totient is φ = 96948.

The previous prime is 290897. The next prime is 290923. The reversal of 290898 is 898092.

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 290898.

It is not an unprimeable number, because it can be changed into a prime (290897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (40410).

2²⁹⁰⁸⁹⁸ is an apocalyptic number.

290898 is an abundant number, since it is smaller than the sum of its proper divisors (355662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290898 is a wasteful number, since it uses less digits than its factorization.

290898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5392 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 290898 is about 539.3496083247. The cubic root of 290898 is about 66.2593104276.

The spelling of 290898 in words is "two hundred ninety thousand, eight hundred ninety-eight".