196493833 has 2 divisors, whose sum is σ = 196493834. Its totient is φ = 196493832.

The previous prime is 196493831. The next prime is 196493863. The reversal of 196493833 is 338394691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194100624 + 2393209 = 13932^2 + 1547^2 .

It is an emirp because it is prime and its reverse (338394691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196493833 - 2¹ = 196493831 is a prime.

Together with 196493831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (196493831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98246916 + 98246917.

It is an arithmetic number, because the mean of its divisors is an integer number (98246917).

Almost surely, 2^196493833 is an apocalyptic number.

It is an amenable number.

196493833 is a deficient number, since it is larger than the sum of its proper divisors (1).

196493833 is an equidigital number, since it uses as much as digits as its factorization.

196493833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 196493833 is about 14017.6257975450. The cubic root of 196493833 is about 581.3660162607.

The spelling of 196493833 in words is "one hundred ninety-six million, four hundred ninety-three thousand, eight hundred thirty-three".