196043493 has 16 divisors (see below), whose sum is σ = 267955776. Its totient is φ = 127424640.

The previous prime is 196043479. The next prime is 196043503. The reversal of 196043493 is 394340691.

It is not a de Polignac number, because 196043493 - 2⁵ = 196043461 is a prime.

It is a super-2 number, since 2×196043493² = 76866102295282098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196043413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97171 + ... + 99167.

It is an arithmetic number, because the mean of its divisors is an integer number (16747236).

Almost surely, 2^196043493 is an apocalyptic number.

It is an amenable number.

196043493 is a deficient number, since it is larger than the sum of its proper divisors (71912283).

196043493 is a wasteful number, since it uses less digits than its factorization.

196043493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 196043493 is about 14001.5532352664. The cubic root of 196043493 is about 580.9215364232.

The spelling of 196043493 in words is "one hundred ninety-six million, forty-three thousand, four hundred ninety-three".