196309801 has 2 divisors, whose sum is σ = 196309802. Its totient is φ = 196309800.

The previous prime is 196309793. The next prime is 196309859. The reversal of 196309801 is 108903691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181602576 + 14707225 = 13476^2 + 3835^2 .

It is a cyclic number.

It is not a de Polignac number, because 196309801 - 2³ = 196309793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196309871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98154900 + 98154901.

It is an arithmetic number, because the mean of its divisors is an integer number (98154901).

Almost surely, 2^196309801 is an apocalyptic number.

It is an amenable number.

196309801 is a deficient number, since it is larger than the sum of its proper divisors (1).

196309801 is an equidigital number, since it uses as much as digits as its factorization.

196309801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 196309801 is about 14011.0599527659. The cubic root of 196309801 is about 581.1844611656.

The spelling of 196309801 in words is "one hundred ninety-six million, three hundred nine thousand, eight hundred one".