290200293 has 8 divisors (see below), whose sum is σ = 429926400. Its totient is φ = 193466844.

The previous prime is 290200289. The next prime is 290200333. The reversal of 290200293 is 392002092.

It is not a de Polignac number, because 290200293 - 2² = 290200289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10748159 = 290200293 / (2 + 9 + 0 + 2 + 0 + 0 + 2 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290200283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5374053 + ... + 5374106.

It is an arithmetic number, because the mean of its divisors is an integer number (53740800).

Almost surely, 2^290200293 is an apocalyptic number.

It is an amenable number.

290200293 is a deficient number, since it is larger than the sum of its proper divisors (139726107).

290200293 is a wasteful number, since it uses less digits than its factorization.

290200293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748168 (or 10748162 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 290200293 is about 17035.2661558310. The cubic root of 290200293 is about 662.0629460079.

The spelling of 290200293 in words is "two hundred ninety million, two hundred thousand, two hundred ninety-three".