3908000197 has 16 divisors (see below), whose sum is σ = 4011462000. Its totient is φ = 3806000640.

The previous prime is 3908000153. The next prime is 3908000221. The reversal of 3908000197 is 7910008093.

It is a Cunningham number, because it is equal to 62514²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 363703041 + 3544297156 = 19071^2 + 59534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3908000197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3908000597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3724929 + ... + 3725977.

It is an arithmetic number, because the mean of its divisors is an integer number (250716375).

Almost surely, 2^3908000197 is an apocalyptic number.

It is an amenable number.

3908000197 is a deficient number, since it is larger than the sum of its proper divisors (103461803).

3908000197 is a wasteful number, since it uses less digits than its factorization.

3908000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3908000197 is about 62514.0000079982. Note that the first 5 decimals coincide. The cubic root of 3908000197 is about 1575.1364889862.

The spelling of 3908000197 in words is "three billion, nine hundred eight million, one hundred ninety-seven", and thus it is an aban number.