196268687 has 4 divisors (see below), whose sum is σ = 196938840. Its totient is φ = 195598536.

The previous prime is 196268671. The next prime is 196268701. The reversal of 196268687 is 786862691.

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 196268687 - 2⁴ = 196268671 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 (196268087) 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, 334637 + ... + 335222.

It is an arithmetic number, because the mean of its divisors is an integer number (49234710).

Almost surely, 2^196268687 is an apocalyptic number.

196268687 is a deficient number, since it is larger than the sum of its proper divisors (670153).

196268687 is an equidigital number, since it uses as much as digits as its factorization.

196268687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670152.

The product of its digits is 1741824, while the sum is 53.

The square root of 196268687 is about 14009.5926778761. The cubic root of 196268687 is about 581.1438850182.

The spelling of 196268687 in words is "one hundred ninety-six million, two hundred sixty-eight thousand, six hundred eighty-seven".