196381715 has 4 divisors (see below), whose sum is σ = 235658064. Its totient is φ = 157105368.

The previous prime is 196381687. The next prime is 196381721. The reversal of 196381715 is 517183691.

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 196381715 - 2¹² = 196377619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19638167 + ... + 19638176.

It is an arithmetic number, because the mean of its divisors is an integer number (58914516).

Almost surely, 2^196381715 is an apocalyptic number.

196381715 is a deficient number, since it is larger than the sum of its proper divisors (39276349).

196381715 is an equidigital number, since it uses as much as digits as its factorization.

196381715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39276348.

The product of its digits is 45360, while the sum is 41.

The square root of 196381715 is about 14013.6260475296. The cubic root of 196381715 is about 581.2554207688.

The spelling of 196381715 in words is "one hundred ninety-six million, three hundred eighty-one thousand, seven hundred fifteen".