196315861 has 8 divisors (see below), whose sum is σ = 224612480. Its totient is φ = 168082128.

The previous prime is 196315853. The next prime is 196315871. The reversal of 196315861 is 168513691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196315861 - 2³ = 196315853 is a prime.

It is a super-3 number, since 3×196315861³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196315841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826 + ... + 21691.

It is an arithmetic number, because the mean of its divisors is an integer number (28076560).

Almost surely, 2^196315861 is an apocalyptic number.

It is an amenable number.

196315861 is a deficient number, since it is larger than the sum of its proper divisors (28296619).

196315861 is an equidigital number, since it uses as much as digits as its factorization.

196315861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31443.

The product of its digits is 38880, while the sum is 40.

The square root of 196315861 is about 14011.2762088255. The cubic root of 196315861 is about 581.1904414097.

The spelling of 196315861 in words is "one hundred ninety-six million, three hundred fifteen thousand, eight hundred sixty-one".