9290243 has 2 divisors, whose sum is σ = 9290244. Its totient is φ = 9290242.

The previous prime is 9290233. The next prime is 9290249. The reversal of 9290243 is 3420929.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9290243 - 2⁴ = 9290227 is a prime.

It is a super-2 number, since 2×9290243² = 172617229998098, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9290249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4645121 + 4645122.

It is an arithmetic number, because the mean of its divisors is an integer number (4645122).

Almost surely, 2^9290243 is an apocalyptic number.

9290243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9290243 is an equidigital number, since it uses as much as digits as its factorization.

9290243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9290243 is about 3047.9899934219. The cubic root of 9290243 is about 210.2208032816.

The spelling of 9290243 in words is "nine million, two hundred ninety thousand, two hundred forty-three".