196380587 has 4 divisors (see below), whose sum is σ = 211486800. Its totient is φ = 181274376.

The previous prime is 196380581. The next prime is 196380589. The reversal of 196380587 is 785083691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196380587 - 2¹² = 196376491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196380581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553087 + ... + 7553112.

It is an arithmetic number, because the mean of its divisors is an integer number (52871700).

Almost surely, 2^196380587 is an apocalyptic number.

196380587 is a deficient number, since it is larger than the sum of its proper divisors (15106213).

196380587 is a wasteful number, since it uses less digits than its factorization.

196380587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106212.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 196380587 is about 14013.5858009290. The cubic root of 196380587 is about 581.2543078726.

The spelling of 196380587 in words is "one hundred ninety-six million, three hundred eighty thousand, five hundred eighty-seven".