196040407 has 2 divisors, whose sum is σ = 196040408. Its totient is φ = 196040406.

The previous prime is 196040381. The next prime is 196040437. The reversal of 196040407 is 704040691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196040407 - 2¹⁵ = 196007639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196040437) 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, 98020203 + 98020204.

It is an arithmetic number, because the mean of its divisors is an integer number (98020204).

Almost surely, 2^196040407 is an apocalyptic number.

196040407 is a deficient number, since it is larger than the sum of its proper divisors (1).

196040407 is an equidigital number, since it uses as much as digits as its factorization.

196040407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 196040407 is about 14001.4430327734. The cubic root of 196040407 is about 580.9184882335.

The spelling of 196040407 in words is "one hundred ninety-six million, forty thousand, four hundred seven".