196929538 has 16 divisors (see below), whose sum is σ = 318479616. Its totient is φ = 90786960.

The previous prime is 196929529. The next prime is 196929539. The reversal of 196929538 is 835929691.

It is not an unprimeable number, because it can be changed into a prime (196929539) 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, 21945 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (19904976).

Almost surely, 2^196929538 is an apocalyptic number.

196929538 is a deficient number, since it is larger than the sum of its proper divisors (121550078).

196929538 is a wasteful number, since it uses less digits than its factorization.

196929538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649.

The product of its digits is 1049760, while the sum is 52.

The square root of 196929538 is about 14033.1585183094. The cubic root of 196929538 is about 581.7954056233.

The spelling of 196929538 in words is "one hundred ninety-six million, nine hundred twenty-nine thousand, five hundred thirty-eight".