196240646 has 16 divisors (see below), whose sum is σ = 351039744. Its totient is φ = 80446344.

The previous prime is 196240643. The next prime is 196240679. The reversal of 196240646 is 646042691.

It is a happy number.

It is a super-2 number, since 2×196240646² = 77020782284994632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196240643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304400 + ... + 305043.

It is an arithmetic number, because the mean of its divisors is an integer number (21939984).

Almost surely, 2^196240646 is an apocalyptic number.

196240646 is a deficient number, since it is larger than the sum of its proper divisors (154799098).

196240646 is a wasteful number, since it uses less digits than its factorization.

196240646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609475.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 196240646 is about 14008.5918635672. The cubic root of 196240646 is about 581.1162075996.

The spelling of 196240646 in words is "one hundred ninety-six million, two hundred forty thousand, six hundred forty-six".