196640230 has 16 divisors (see below), whose sum is σ = 355809024. Its totient is φ = 78243520.

The previous prime is 196640189. The next prime is 196640231. The reversal of 196640230 is 32046691.

It is a junction number, because it is equal to n+sod(n) for n = 196640192 and 196640201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196640231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49567 + ... + 53386.

It is an arithmetic number, because the mean of its divisors is an integer number (22238064).

Almost surely, 2^196640230 is an apocalyptic number.

196640230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196640230 is a deficient number, since it is larger than the sum of its proper divisors (159168794).

196640230 is a wasteful number, since it uses less digits than its factorization.

196640230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103151.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 196640230 is about 14022.8467152715. The cubic root of 196640230 is about 581.5103619485.

The spelling of 196640230 in words is "one hundred ninety-six million, six hundred forty thousand, two hundred thirty".