97933439 has 2 divisors, whose sum is σ = 97933440. Its totient is φ = 97933438.

The previous prime is 97933427. The next prime is 97933501. The reversal of 97933439 is 93433979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97933439 - 2⁸ = 97933183 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97933393 and 97933402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97930439) 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, 48966719 + 48966720.

It is an arithmetic number, because the mean of its divisors is an integer number (48966720).

Almost surely, 2^97933439 is an apocalyptic number.

97933439 is a deficient number, since it is larger than the sum of its proper divisors (1).

97933439 is an equidigital number, since it uses as much as digits as its factorization.

97933439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 47.

The square root of 97933439 is about 9896.1325274069. The cubic root of 97933439 is about 460.9392262289.

The spelling of 97933439 in words is "ninety-seven million, nine hundred thirty-three thousand, four hundred thirty-nine".