196400659 has 16 divisors (see below), whose sum is σ = 244645632. Its totient is φ = 153515808.

The previous prime is 196400647. The next prime is 196400683. The reversal of 196400659 is 956004691.

It is a cyclic number.

It is not a de Polignac number, because 196400659 - 2¹³ = 196392467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196400629) 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, 5449 + ... + 20554.

It is an arithmetic number, because the mean of its divisors is an integer number (15290352).

Almost surely, 2^196400659 is an apocalyptic number.

196400659 is a deficient number, since it is larger than the sum of its proper divisors (48244973).

196400659 is a wasteful number, since it uses less digits than its factorization.

196400659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26106.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 196400659 is about 14014.3019447991. The cubic root of 196400659 is about 581.2741104733.

The spelling of 196400659 in words is "one hundred ninety-six million, four hundred thousand, six hundred fifty-nine".