196523892 has 36 divisors (see below), whose sum is σ = 497682276. Its totient is φ = 65387520.

The previous prime is 196523869. The next prime is 196523917. The reversal of 196523892 is 298325691.

It can be written as a sum of positive squares in 2 ways, for example, as 179184996 + 17338896 = 13386^2 + 4164^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16042 + ... + 25502.

Almost surely, 2^196523892 is an apocalyptic number.

196523892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196523892 is an abundant number, since it is smaller than the sum of its proper divisors (301158384).

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

196523892 is a wasteful number, since it uses less digits than its factorization.

196523892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048 (or 10043 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 196523892 is about 14018.6979423911. The cubic root of 196523892 is about 581.3956599222.

The spelling of 196523892 in words is "one hundred ninety-six million, five hundred twenty-three thousand, eight hundred ninety-two".