90394303 has 2 divisors, whose sum is σ = 90394304. Its totient is φ = 90394302.

The previous prime is 90394273. The next prime is 90394307. The reversal of 90394303 is 30349309.

It is a strong prime.

It is an emirp because it is prime and its reverse (30349309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90394303 - 2⁹ = 90393791 is a prime.

It is a super-2 number, since 2×90394303² = 16342260029711618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90394307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45197151 + 45197152.

It is an arithmetic number, because the mean of its divisors is an integer number (45197152).

Almost surely, 2^90394303 is an apocalyptic number.

90394303 is a deficient number, since it is larger than the sum of its proper divisors (1).

90394303 is an equidigital number, since it uses as much as digits as its factorization.

90394303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 90394303 is about 9507.5918612444. The cubic root of 90394303 is about 448.7939772700.

The spelling of 90394303 in words is "ninety million, three hundred ninety-four thousand, three hundred three".