196698550 has 12 divisors (see below), whose sum is σ = 365859396. Its totient is φ = 78679400.

The previous prime is 196698547. The next prime is 196698559. The reversal of 196698550 is 55896691.

It is a junction number, because it is equal to n+sod(n) for n = 196698494 and 196698503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196698559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1966936 + ... + 1967035.

It is an arithmetic number, because the mean of its divisors is an integer number (30488283).

Almost surely, 2^196698550 is an apocalyptic number.

196698550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196698550 is a deficient number, since it is larger than the sum of its proper divisors (169160846).

196698550 is a wasteful number, since it uses less digits than its factorization.

196698550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933983 (or 3933978 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 196698550 is about 14024.9260247603. The cubic root of 196698550 is about 581.5678448147.

The spelling of 196698550 in words is "one hundred ninety-six million, six hundred ninety-eight thousand, five hundred fifty".