196805574 has 48 divisors (see below), whose sum is σ = 489913632. Its totient is φ = 55931904.

The previous prime is 196805573. The next prime is 196805579. The reversal of 196805574 is 475508691.

196805574 is a `hidden beast` number, since 1 + 96 + 8 + 0 + 557 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196805573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20272 + ... + 28364.

It is an arithmetic number, because the mean of its divisors is an integer number (10206534).

Almost surely, 2^196805574 is an apocalyptic number.

196805574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196805574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244956816).

196805574 is an abundant number, since it is smaller than the sum of its proper divisors (293108058).

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

196805574 is a wasteful number, since it uses less digits than its factorization.

196805574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 196805574 is about 14028.7409983933. The cubic root of 196805574 is about 581.6733030262.

The spelling of 196805574 in words is "one hundred ninety-six million, eight hundred five thousand, five hundred seventy-four".