196990492 has 72 divisors (see below), whose sum is σ = 396103680. Its totient is φ = 85451520.

The previous prime is 196990483. The next prime is 196990511. The reversal of 196990492 is 294099691.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 824109 + ... + 824347.

It is an arithmetic number, because the mean of its divisors is an integer number (5501440).

Almost surely, 2^196990492 is an apocalyptic number.

It is an amenable number.

196990492 is an abundant number, since it is smaller than the sum of its proper divisors (199113188).

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

196990492 is a wasteful number, since it uses less digits than its factorization.

196990492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 196990492 is about 14035.3301350556. The cubic root of 196990492 is about 581.8554255663.

The spelling of 196990492 in words is "one hundred ninety-six million, nine hundred ninety thousand, four hundred ninety-two".