196938727 has 4 divisors (see below), whose sum is σ = 208523376. Its totient is φ = 185354080.

The previous prime is 196938697. The next prime is 196938737. The reversal of 196938727 is 727839691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727839691 = 37 ⋅19671343.

It is a cyclic number.

It is not a de Polignac number, because 196938727 - 2¹¹ = 196936679 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 (196938737) 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, 5792299 + ... + 5792332.

It is an arithmetic number, because the mean of its divisors is an integer number (52130844).

Almost surely, 2^196938727 is an apocalyptic number.

196938727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

196938727 is a deficient number, since it is larger than the sum of its proper divisors (11584649).

196938727 is a wasteful number, since it uses less digits than its factorization.

196938727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584648.

The product of its digits is 1143072, while the sum is 52.

The square root of 196938727 is about 14033.4859176186. The cubic root of 196938727 is about 581.8044546041.

The spelling of 196938727 in words is "one hundred ninety-six million, nine hundred thirty-eight thousand, seven hundred twenty-seven".