290968 has 16 divisors (see below), whose sum is σ = 560880. Its totient is φ = 141408.

The previous prime is 290963. The next prime is 290971. The reversal of 290968 is 869092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290963) by changing a digit.

290968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 196 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (35055).

2²⁹⁰⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

290968 is a deficient number, since it is larger than the sum of its proper divisors (269912).

290968 is a wasteful number, since it uses less digits than its factorization.

290968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 290968 is about 539.4144973951. The cubic root of 290968 is about 66.2646247528.

The spelling of 290968 in words is "two hundred ninety thousand, nine hundred sixty-eight".