196550738 has 4 divisors (see below), whose sum is σ = 294826110. Its totient is φ = 98275368.

The previous prime is 196550713. The next prime is 196550741. The reversal of 196550738 is 837055691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837055691 = 887 ⋅943693.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 82210489 = 10693^2 + 9067^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 49137683 + ... + 49137686.

Almost surely, 2^196550738 is an apocalyptic number.

196550738 is a deficient number, since it is larger than the sum of its proper divisors (98275372).

196550738 is an equidigital number, since it uses as much as digits as its factorization.

196550738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98275371.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 196550738 is about 14019.6554165928. The cubic root of 196550738 is about 581.4221324240.

The spelling of 196550738 in words is "one hundred ninety-six million, five hundred fifty thousand, seven hundred thirty-eight".