196293909 has 16 divisors (see below), whose sum is σ = 299320832. Its totient is φ = 112090608.

The previous prime is 196293901. The next prime is 196293967. The reversal of 196293909 is 909392691.

It is not a de Polignac number, because 196293909 - 2³ = 196293901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196293901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44142 + ... + 48384.

It is an arithmetic number, because the mean of its divisors is an integer number (18707552).

Almost surely, 2^196293909 is an apocalyptic number.

It is an amenable number.

196293909 is a deficient number, since it is larger than the sum of its proper divisors (103026923).

196293909 is a wasteful number, since it uses less digits than its factorization.

196293909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 236196, while the sum is 48.

The square root of 196293909 is about 14010.4928178847. The cubic root of 196293909 is about 581.1687777362.

The spelling of 196293909 in words is "one hundred ninety-six million, two hundred ninety-three thousand, nine hundred nine".