196938725 has 12 divisors (see below), whose sum is σ = 248813316. Its totient is φ = 154577280.

The previous prime is 196938697. The next prime is 196938737. The reversal of 196938725 is 527839691.

It can be written as a sum of positive squares in 6 ways, for example, as 1442401 + 195496324 = 1201^2 + 13982^2 .

It is not a de Polignac number, because 196938725 - 2¹⁰ = 196937701 is a prime.

It is a super-2 number, since 2×196938725² = 77569722809251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72992 + ... + 75641.

It is an arithmetic number, because the mean of its divisors is an integer number (20734443).

Almost surely, 2^196938725 is an apocalyptic number.

It is an amenable number.

196938725 is a deficient number, since it is larger than the sum of its proper divisors (51874591).

196938725 is a wasteful number, since it uses less digits than its factorization.

196938725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148696 (or 148691 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 196938725 is about 14033.4858463605. The cubic root of 196938725 is about 581.8044526346.

The spelling of 196938725 in words is "one hundred ninety-six million, nine hundred thirty-eight thousand, seven hundred twenty-five".