1896797393 has 2 divisors, whose sum is σ = 1896797394. Its totient is φ = 1896797392.

The previous prime is 1896797387. The next prime is 1896797479. The reversal of 1896797393 is 3937976981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1394499649 + 502297744 = 37343^2 + 22412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896797393 - 2⁸ = 1896797137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1896797363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948398696 + 948398697.

It is an arithmetic number, because the mean of its divisors is an integer number (948398697).

Almost surely, 2^1896797393 is an apocalyptic number.

It is an amenable number.

1896797393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896797393 is an equidigital number, since it uses as much as digits as its factorization.

1896797393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 62.

The square root of 1896797393 is about 43552.2375200173. The cubic root of 1896797393 is about 1237.8660385478.

The spelling of 1896797393 in words is "one billion, eight hundred ninety-six million, seven hundred ninety-seven thousand, three hundred ninety-three".