196390524 has 96 divisors (see below), whose sum is σ = 520934400. Its totient is φ = 57058560.

The previous prime is 196390501. The next prime is 196390529. The reversal of 196390524 is 425093691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196390529) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 385582 + ... + 386090.

It is an arithmetic number, because the mean of its divisors is an integer number (5426400).

Almost surely, 2^196390524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196390524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260467200).

196390524 is an abundant number, since it is smaller than the sum of its proper divisors (324543876).

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

196390524 is a wasteful number, since it uses less digits than its factorization.

196390524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 196390524 is about 14013.9403452419. The cubic root of 196390524 is about 581.2641116703.

The spelling of 196390524 in words is "one hundred ninety-six million, three hundred ninety thousand, five hundred twenty-four".