290212 has 12 divisors (see below), whose sum is σ = 547036. Its totient is φ = 133920.

The previous prime is 290209. The next prime is 290219. The reversal of 290212 is 212092.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65536 + 224676 = 256^2 + 474^2 .

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (290219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739 + ... + 2842.

2²⁹⁰²¹² is an apocalyptic number.

It is an amenable number.

290212 is a deficient number, since it is larger than the sum of its proper divisors (256824).

290212 is a wasteful number, since it uses less digits than its factorization.

290212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5596 counting only the distinct ones).

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

The square root of 290212 is about 538.7132818114. The cubic root of 290212 is about 66.2071848671.

The spelling of 290212 in words is "two hundred ninety thousand, two hundred twelve".