196813837 has 16 divisors (see below), whose sum is σ = 227128320. Its totient is φ = 168663600.

The previous prime is 196813801. The next prime is 196813843. The reversal of 196813837 is 738318691.

196813837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196813837 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 (196813847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41868 + ... + 46330.

It is an arithmetic number, because the mean of its divisors is an integer number (14195520).

Almost surely, 2^196813837 is an apocalyptic number.

It is an amenable number.

196813837 is a deficient number, since it is larger than the sum of its proper divisors (30314483).

196813837 is a wasteful number, since it uses less digits than its factorization.

196813837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its digits is 217728, while the sum is 46.

The square root of 196813837 is about 14029.0354978523. The cubic root of 196813837 is about 581.6814435463.

The spelling of 196813837 in words is "one hundred ninety-six million, eight hundred thirteen thousand, eight hundred thirty-seven".