290980 has 12 divisors (see below), whose sum is σ = 611100. Its totient is φ = 116384.

The previous prime is 290971. The next prime is 290987. The reversal of 290980 is 89092.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 112896 = 422^2 + 336^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290987) 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 3 ways as a sum of consecutive naturals, for example, 7255 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (50925).

2²⁹⁰⁹⁸⁰ is an apocalyptic number.

290980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290980 is an abundant number, since it is smaller than the sum of its proper divisors (320120).

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

290980 is a wasteful number, since it uses less digits than its factorization.

290980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14558 (or 14556 counting only the distinct ones).

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

The square root of 290980 is about 539.4256204520. The cubic root of 290980 is about 66.2655356944.

The spelling of 290980 in words is "two hundred ninety thousand, nine hundred eighty".