283398293 has 6 divisors (see below), whose sum is σ = 284256246. Its totient is φ = 282542312.

The previous prime is 283398289. The next prime is 283398307. The reversal of 283398293 is 392893382.

It can be written as a sum of positive squares in only one way, i.e., 282979684 + 418609 = 16822^2 + 647^2 .

It is not a de Polignac number, because 283398293 - 2² = 283398289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283398233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418271 + ... + 418947.

It is an arithmetic number, because the mean of its divisors is an integer number (47376041).

Almost surely, 2^283398293 is an apocalyptic number.

It is an amenable number.

283398293 is a deficient number, since it is larger than the sum of its proper divisors (857953).

283398293 is an frugal number, since it uses more digits than its factorization.

283398293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1324 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 283398293 is about 16834.4377096474. The cubic root of 283398293 is about 656.8493029002.

The spelling of 283398293 in words is "two hundred eighty-three million, three hundred ninety-eight thousand, two hundred ninety-three".