196288757 has 6 divisors (see below), whose sum is σ = 228335958. Its totient is φ = 168247464.

The previous prime is 196288747. The next prime is 196288819. The reversal of 196288757 is 757882691.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 80532676 = 10759^2 + 8974^2 .

It is not a de Polignac number, because 196288757 - 2¹² = 196284661 is a prime.

It is a super-2 number, since 2×196288757² = 77058552249210098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196288699 and 196288708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196288717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2002898 + ... + 2002995.

It is an arithmetic number, because the mean of its divisors is an integer number (38055993).

Almost surely, 2^196288757 is an apocalyptic number.

It is an amenable number.

196288757 is a deficient number, since it is larger than the sum of its proper divisors (32047201).

196288757 is an equidigital number, since it uses as much as digits as its factorization.

196288757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005907 (or 4005900 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The square root of 196288757 is about 14010.3089544806. The cubic root of 196288757 is about 581.1636931707.

The spelling of 196288757 in words is "one hundred ninety-six million, two hundred eighty-eight thousand, seven hundred fifty-seven".