196930393 has 16 divisors (see below), whose sum is σ = 224741376. Its totient is φ = 170810640.

The previous prime is 196930381. The next prime is 196930399. The reversal of 196930393 is 393039691.

It is not a de Polignac number, because 196930393 - 2²¹ = 194833241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196930399) 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, 137680 + ... + 139102.

It is an arithmetic number, because the mean of its divisors is an integer number (14046336).

Almost surely, 2^196930393 is an apocalyptic number.

It is an amenable number.

196930393 is a deficient number, since it is larger than the sum of its proper divisors (27810983).

196930393 is a wasteful number, since it uses less digits than its factorization.

196930393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 196930393 is about 14033.1889818387. The cubic root of 196930393 is about 581.7962476069.

The spelling of 196930393 in words is "one hundred ninety-six million, nine hundred thirty thousand, three hundred ninety-three".