196431093 has 6 divisors (see below), whose sum is σ = 283733814. Its totient is φ = 130954056.

The previous prime is 196431089. The next prime is 196431127. The reversal of 196431093 is 390134691.

196431093 is a `hidden beast` number, since 1 + 9 + 643 + 1 + 0 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 165328164 + 31102929 = 12858^2 + 5577^2 .

It is not a de Polignac number, because 196431093 - 2² = 196431089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196431013) 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 5 ways as a sum of consecutive naturals, for example, 10912830 + ... + 10912847.

It is an arithmetic number, because the mean of its divisors is an integer number (47288969).

Almost surely, 2^196431093 is an apocalyptic number.

It is an amenable number.

196431093 is a deficient number, since it is larger than the sum of its proper divisors (87302721).

196431093 is a wasteful number, since it uses less digits than its factorization.

196431093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21825683 (or 21825680 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 196431093 is about 14015.3877220718. The cubic root of 196431093 is about 581.3041334251.

It can be divided in two parts, 19643 and 1093, that added together give a 4-th power (20736 = 12⁴).

The spelling of 196431093 in words is "one hundred ninety-six million, four hundred thirty-one thousand, ninety-three".