196988508 has 72 divisors (see below), whose sum is σ = 517171200. Its totient is φ = 63154080.

The previous prime is 196988507. The next prime is 196988521. The reversal of 196988508 is 805889691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196988501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221641 + ... + 222527.

Almost surely, 2^196988508 is an apocalyptic number.

196988508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196988508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258585600).

196988508 is an abundant number, since it is smaller than the sum of its proper divisors (320182692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196988508 is a wasteful number, since it uses less digits than its factorization.

196988508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 196988508 is about 14035.2594560984. The cubic root of 196988508 is about 581.8534721640.

The spelling of 196988508 in words is "one hundred ninety-six million, nine hundred eighty-eight thousand, five hundred eight".