196628634 has 20 divisors (see below), whose sum is σ = 440594154. Its totient is φ = 65542824.

The previous prime is 196628623. The next prime is 196628659. The reversal of 196628634 is 436826691.

196628634 is a `hidden beast` number, since 1 + 9 + 6 + 6 + 2 + 8 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 190854225 + 5774409 = 13815^2 + 2403^2 .

It is a super-3 number, since 3×196628634³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196628634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 606717 + ... + 607040.

Almost surely, 2^196628634 is an apocalyptic number.

196628634 is an abundant number, since it is smaller than the sum of its proper divisors (243965520).

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

196628634 is a wasteful number, since it uses less digits than its factorization.

196628634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213771 (or 1213762 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 196628634 is about 14022.4332410606. The cubic root of 196628634 is about 581.4989310446.

The spelling of 196628634 in words is "one hundred ninety-six million, six hundred twenty-eight thousand, six hundred thirty-four".