196859814 has 16 divisors (see below), whose sum is σ = 395997552. Its totient is φ = 65240288.

The previous prime is 196859809. The next prime is 196859939. The reversal of 196859814 is 418958691.

It is a super-2 number, since 2×196859814² = 77507572736229192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93789 + ... + 95864.

It is an arithmetic number, because the mean of its divisors is an integer number (24749847).

Almost surely, 2^196859814 is an apocalyptic number.

196859814 is an abundant number, since it is smaller than the sum of its proper divisors (199137738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196859814 is a wasteful number, since it uses less digits than its factorization.

196859814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189831.

The product of its digits is 622080, while the sum is 51.

The square root of 196859814 is about 14030.6740394038. The cubic root of 196859814 is about 581.7267348834.

The spelling of 196859814 in words is "one hundred ninety-six million, eight hundred fifty-nine thousand, eight hundred fourteen".