97893839 has 2 divisors, whose sum is σ = 97893840. Its totient is φ = 97893838.

The previous prime is 97893827. The next prime is 97893853. The reversal of 97893839 is 93839879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97893839 - 2⁸ = 97893583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97893869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48946919 + 48946920.

It is an arithmetic number, because the mean of its divisors is an integer number (48946920).

Almost surely, 2^97893839 is an apocalyptic number.

97893839 is a deficient number, since it is larger than the sum of its proper divisors (1).

97893839 is an equidigital number, since it uses as much as digits as its factorization.

97893839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 97893839 is about 9894.1315434959. The cubic root of 97893839 is about 460.8770899645.

The spelling of 97893839 in words is "ninety-seven million, eight hundred ninety-three thousand, eight hundred thirty-nine".