196364887 has 4 divisors (see below), whose sum is σ = 203136120. Its totient is φ = 189593656.

The previous prime is 196364879. The next prime is 196364897. The reversal of 196364887 is 788463691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788463691 = 19 ⋅41498089.

It is a cyclic number.

It is not a de Polignac number, because 196364887 - 2³ = 196364879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196364837) 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, 3385573 + ... + 3385630.

It is an arithmetic number, because the mean of its divisors is an integer number (50784030).

Almost surely, 2^196364887 is an apocalyptic number.

196364887 is a deficient number, since it is larger than the sum of its proper divisors (6771233).

196364887 is an equidigital number, since it uses as much as digits as its factorization.

196364887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771232.

The product of its digits is 1741824, while the sum is 52.

The square root of 196364887 is about 14013.0256190446. The cubic root of 196364887 is about 581.2388176521.

The spelling of 196364887 in words is "one hundred ninety-six million, three hundred sixty-four thousand, eight hundred eighty-seven".