196097785 has 32 divisors (see below), whose sum is σ = 263273472. Its totient is φ = 139242240.

The previous prime is 196097777. The next prime is 196097791. The reversal of 196097785 is 587790691.

It is a happy number.

It is not a de Polignac number, because 196097785 - 2³ = 196097777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618447 + ... + 618763.

It is an arithmetic number, because the mean of its divisors is an integer number (8227296).

Almost surely, 2^196097785 is an apocalyptic number.

It is an amenable number.

196097785 is a deficient number, since it is larger than the sum of its proper divisors (67175687).

196097785 is a wasteful number, since it uses less digits than its factorization.

196097785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 196097785 is about 14003.4918859547. The cubic root of 196097785 is about 580.9751579955.

The spelling of 196097785 in words is "one hundred ninety-six million, ninety-seven thousand, seven hundred eighty-five".