196797644 has 24 divisors (see below), whose sum is σ = 365229648. Its totient is φ = 92464640.

The previous prime is 196797613. The next prime is 196797677. The reversal of 196797644 is 446797691.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49847 + ... + 53649.

It is an arithmetic number, because the mean of its divisors is an integer number (15217902).

Almost surely, 2^196797644 is an apocalyptic number.

It is an amenable number.

196797644 is a deficient number, since it is larger than the sum of its proper divisors (168432004).

196797644 is a wasteful number, since it uses less digits than its factorization.

196797644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585 (or 4583 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 196797644 is about 14028.4583614879. The cubic root of 196797644 is about 581.6654903558.

The spelling of 196797644 in words is "one hundred ninety-six million, seven hundred ninety-seven thousand, six hundred forty-four".