196945530 has 32 divisors (see below), whose sum is σ = 473299200. Its totient is φ = 52448832.

The previous prime is 196945523. The next prime is 196945543. The reversal of 196945530 is 35549691.

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 15 ways as a sum of consecutive naturals, for example, 20911 + ... + 28829.

It is an arithmetic number, because the mean of its divisors is an integer number (14790600).

Almost surely, 2^196945530 is an apocalyptic number.

196945530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196945530 is an abundant number, since it is smaller than the sum of its proper divisors (276353670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196945530 is a wasteful number, since it uses less digits than its factorization.

196945530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 196945530 is about 14033.7283000634. The cubic root of 196945530 is about 581.8111537607.

The spelling of 196945530 in words is "one hundred ninety-six million, nine hundred forty-five thousand, five hundred thirty".