84290903 has 2 divisors, whose sum is σ = 84290904. Its totient is φ = 84290902.

The previous prime is 84290893. The next prime is 84290911. The reversal of 84290903 is 30909248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84290903 - 2⁴ = 84290887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84290923) 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 as a sum of consecutive naturals, namely, 42145451 + 42145452.

It is an arithmetic number, because the mean of its divisors is an integer number (42145452).

Almost surely, 2^84290903 is an apocalyptic number.

84290903 is a deficient number, since it is larger than the sum of its proper divisors (1).

84290903 is an equidigital number, since it uses as much as digits as its factorization.

84290903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 84290903 is about 9181.0077333591. The cubic root of 84290903 is about 438.4568931100.

The spelling of 84290903 in words is "eighty-four million, two hundred ninety thousand, nine hundred three".