196278634 has 16 divisors (see below), whose sum is σ = 312087816. Its totient is φ = 92262400.

The previous prime is 196278629. The next prime is 196278637. The reversal of 196278634 is 436872691.

It can be written as a sum of positive squares in 4 ways, for example, as 195860025 + 418609 = 13995^2 + 647^2 .

It is not an unprimeable number, because it can be changed into a prime (196278637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33354 + ... + 38794.

Almost surely, 2^196278634 is an apocalyptic number.

196278634 is a deficient number, since it is larger than the sum of its proper divisors (115809182).

196278634 is a wasteful number, since it uses less digits than its factorization.

196278634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521.

The product of its digits is 435456, while the sum is 46.

The square root of 196278634 is about 14009.9476801307. The cubic root of 196278634 is about 581.1537024113.

The spelling of 196278634 in words is "one hundred ninety-six million, two hundred seventy-eight thousand, six hundred thirty-four".