196562990 has 16 divisors (see below), whose sum is σ = 381030048. Its totient is φ = 72577056.

The previous prime is 196562983. The next prime is 196563023. The reversal of 196562990 is 99265691.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755882 + ... + 756141.

It is an arithmetic number, because the mean of its divisors is an integer number (23814378).

Almost surely, 2^196562990 is an apocalyptic number.

196562990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196562990 is a deficient number, since it is larger than the sum of its proper divisors (184467058).

196562990 is a wasteful number, since it uses less digits than its factorization.

196562990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512043.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 196562990 is about 14020.0923677414. The cubic root of 196562990 is about 581.4342131655.

The spelling of 196562990 in words is "one hundred ninety-six million, five hundred sixty-two thousand, nine hundred ninety".