196247478 has 32 divisors (see below), whose sum is σ = 449127936. Its totient is φ = 56000448.

The previous prime is 196247461. The next prime is 196247501. The reversal of 196247478 is 874742691.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 37575 + ... + 42477.

It is an arithmetic number, because the mean of its divisors is an integer number (14035248).

Almost surely, 2^196247478 is an apocalyptic number.

196247478 is an abundant number, since it is smaller than the sum of its proper divisors (252880458).

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

196247478 is a wasteful number, since it uses less digits than its factorization.

196247478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868.

The product of its digits is 677376, while the sum is 48.

The square root of 196247478 is about 14008.8357117928. The cubic root of 196247478 is about 581.1229512584.

The spelling of 196247478 in words is "one hundred ninety-six million, two hundred forty-seven thousand, four hundred seventy-eight".