196328290 has 24 divisors (see below), whose sum is σ = 363225492. Its totient is φ = 76403520.

The previous prime is 196328287. The next prime is 196328303. The reversal of 196328290 is 92823691.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 109223401 + 87104889 = 10451^2 + 9333^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6520 + ... + 20860.

Almost surely, 2^196328290 is an apocalyptic number.

196328290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196328290 is a deficient number, since it is larger than the sum of its proper divisors (166897202).

196328290 is a wasteful number, since it uses less digits than its factorization.

196328290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14422 (or 14385 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 196328290 is about 14011.7197374198. The cubic root of 196328290 is about 581.2027064461.

The spelling of 196328290 in words is "one hundred ninety-six million, three hundred twenty-eight thousand, two hundred ninety".