196446644 has 6 divisors (see below), whose sum is σ = 343781634. Its totient is φ = 98223320.

The previous prime is 196446637. The next prime is 196446671. The reversal of 196446644 is 446644691.

It can be written as a sum of positive squares in only one way, i.e., 179881744 + 16564900 = 13412^2 + 4070^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196446595 and 196446604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24555827 + ... + 24555834.

It is an arithmetic number, because the mean of its divisors is an integer number (57296939).

Almost surely, 2^196446644 is an apocalyptic number.

It is an amenable number.

196446644 is a deficient number, since it is larger than the sum of its proper divisors (147334990).

196446644 is a wasteful number, since it uses less digits than its factorization.

196446644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49111665 (or 49111663 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 196446644 is about 14015.9424941743. The cubic root of 196446644 is about 581.3194731929.

The spelling of 196446644 in words is "one hundred ninety-six million, four hundred forty-six thousand, six hundred forty-four".