196437 has 4 divisors (see below), whose sum is σ = 261920. Its totient is φ = 130956.

The previous prime is 196429. The next prime is 196439. The reversal of 196437 is 734691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734691 = 3 ⋅244897.

It is not a de Polignac number, because 196437 - 2³ = 196429 is a prime.

It is a D-number.

It is a Duffinian number.

196437 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32737 + ... + 32742.

It is an arithmetic number, because the mean of its divisors is an integer number (65480).

2¹⁹⁶⁴³⁷ is an apocalyptic number.

It is an amenable number.

196437 is a deficient number, since it is larger than the sum of its proper divisors (65483).

196437 is an equidigital number, since it uses as much as digits as its factorization.

196437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65482.

The product of its digits is 4536, while the sum is 30.

The square root of 196437 is about 443.2121388229. The cubic root of 196437 is about 58.1309960285.

The spelling of 196437 in words is "one hundred ninety-six thousand, four hundred thirty-seven".