196857814 has 8 divisors (see below), whose sum is σ = 298331208. Its totient is φ = 97414080.

The previous prime is 196857799. The next prime is 196857839. The reversal of 196857814 is 418758691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507172 + ... + 507559.

It is an arithmetic number, because the mean of its divisors is an integer number (37291401).

Almost surely, 2^196857814 is an apocalyptic number.

196857814 is a deficient number, since it is larger than the sum of its proper divisors (101473394).

196857814 is a wasteful number, since it uses less digits than its factorization.

196857814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014830.

The product of its digits is 483840, while the sum is 49.

The square root of 196857814 is about 14030.6027668094. The cubic root of 196857814 is about 581.7247648564.

The spelling of 196857814 in words is "one hundred ninety-six million, eight hundred fifty-seven thousand, eight hundred fourteen".