196900637 has 4 divisors (see below), whose sum is σ = 199597980. Its totient is φ = 194203296.

The previous prime is 196900607. The next prime is 196900657. The reversal of 196900637 is 736009691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150945796 + 45954841 = 12286^2 + 6779^2 .

It is a cyclic number.

It is not a de Polignac number, because 196900637 - 2⁸ = 196900381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196900594 and 196900603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196900607) 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, 1348562 + ... + 1348707.

It is an arithmetic number, because the mean of its divisors is an integer number (49899495).

Almost surely, 2^196900637 is an apocalyptic number.

It is an amenable number.

196900637 is a deficient number, since it is larger than the sum of its proper divisors (2697343).

196900637 is an equidigital number, since it uses as much as digits as its factorization.

196900637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697342.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 196900637 is about 14032.1287408575. The cubic root of 196900637 is about 581.7669431728.

The spelling of 196900637 in words is "one hundred ninety-six million, nine hundred thousand, six hundred thirty-seven".