196210388 has 24 divisors (see below), whose sum is σ = 375533760. Its totient is φ = 88960320.

The previous prime is 196210381. The next prime is 196210411. The reversal of 196210388 is 883012691.

It is a super-2 number, since 2×196210388² = 76997032718221088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196210381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12545 + ... + 23447.

It is an arithmetic number, because the mean of its divisors is an integer number (15647240).

Almost surely, 2^196210388 is an apocalyptic number.

It is an amenable number.

196210388 is a deficient number, since it is larger than the sum of its proper divisors (179323372).

196210388 is a wasteful number, since it uses less digits than its factorization.

196210388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327 (or 11325 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 196210388 is about 14007.5118418654. The cubic root of 196210388 is about 581.0863389692.

The spelling of 196210388 in words is "one hundred ninety-six million, two hundred ten thousand, three hundred eighty-eight".