196146387 has 16 divisors (see below), whose sum is σ = 291876480. Its totient is φ = 130184136.

The previous prime is 196146341. The next prime is 196146389. The reversal of 196146387 is 783641691.

It is a happy number.

196146387 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 4 + 638 + 7 = 666.

It is not a de Polignac number, because 196146387 - 2²⁰ = 195097811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196146389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9873 + ... + 22130.

It is an arithmetic number, because the mean of its divisors is an integer number (18242280).

Almost surely, 2^196146387 is an apocalyptic number.

196146387 is a deficient number, since it is larger than the sum of its proper divisors (95730093).

196146387 is a wasteful number, since it uses less digits than its factorization.

196146387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32239 (or 32233 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 196146387 is about 14005.2271313249. The cubic root of 196146387 is about 581.0231514361.

The spelling of 196146387 in words is "one hundred ninety-six million, one hundred forty-six thousand, three hundred eighty-seven".