93990097 has 2 divisors, whose sum is σ = 93990098. Its totient is φ = 93990096.

The previous prime is 93990049. The next prime is 93990107. The reversal of 93990097 is 79009939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 4857616 = 9441^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 93990097 - 2⁷ = 93989969 is a prime.

It is not a weakly prime, because it can be changed into another prime (93990007) 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, 46995048 + 46995049.

It is an arithmetic number, because the mean of its divisors is an integer number (46995049).

Almost surely, 2^93990097 is an apocalyptic number.

It is an amenable number.

93990097 is a deficient number, since it is larger than the sum of its proper divisors (1).

93990097 is an equidigital number, since it uses as much as digits as its factorization.

93990097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781, while the sum is 46.

The square root of 93990097 is about 9694.8489931510. The cubic root of 93990097 is about 454.6676266834.

The spelling of 93990097 in words is "ninety-three million, nine hundred ninety thousand, ninety-seven".