196421707 has 2 divisors, whose sum is σ = 196421708. Its totient is φ = 196421706.

The previous prime is 196421681. The next prime is 196421749. The reversal of 196421707 is 707124691.

196421707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196421707 - 2⁷ = 196421579 is a prime.

It is not a weakly prime, because it can be changed into another prime (196481707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98210853 + 98210854.

It is an arithmetic number, because the mean of its divisors is an integer number (98210854).

Almost surely, 2^196421707 is an apocalyptic number.

196421707 is a deficient number, since it is larger than the sum of its proper divisors (1).

196421707 is an equidigital number, since it uses as much as digits as its factorization.

196421707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 196421707 is about 14015.0528718232. The cubic root of 196421707 is about 581.2948745252.

The spelling of 196421707 in words is "one hundred ninety-six million, four hundred twenty-one thousand, seven hundred seven".