196987192 has 8 divisors (see below), whose sum is σ = 369351000. Its totient is φ = 98493592.

The previous prime is 196987183. The next prime is 196987207. The reversal of 196987192 is 291789691.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12311692 + ... + 12311707.

It is an arithmetic number, because the mean of its divisors is an integer number (46168875).

Almost surely, 2^196987192 is an apocalyptic number.

It is an amenable number.

196987192 is a deficient number, since it is larger than the sum of its proper divisors (172363808).

196987192 is a wasteful number, since it uses less digits than its factorization.

196987192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24623405 (or 24623401 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The square root of 196987192 is about 14035.2125740938. The cubic root of 196987192 is about 581.8521764524.

The spelling of 196987192 in words is "one hundred ninety-six million, nine hundred eighty-seven thousand, one hundred ninety-two".