196853478 has 8 divisors (see below), whose sum is σ = 393706968. Its totient is φ = 65617824.

The previous prime is 196853467. The next prime is 196853483. The reversal of 196853478 is 874358691.

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

196853478 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 196853478.

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, 16404451 + ... + 16404462.

It is an arithmetic number, because the mean of its divisors is an integer number (49213371).

Almost surely, 2^196853478 is an apocalyptic number.

196853478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

196853478 is a wasteful number, since it uses less digits than its factorization.

196853478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808918.

The product of its digits is 1451520, while the sum is 51.

The square root of 196853478 is about 14030.4482465814. The cubic root of 196853478 is about 581.7204937922.

The spelling of 196853478 in words is "one hundred ninety-six million, eight hundred fifty-three thousand, four hundred seventy-eight".