3719897 has 2 divisors, whose sum is σ = 3719898. Its totient is φ = 3719896.

The previous prime is 3719879. The next prime is 3719899. The reversal of 3719897 is 7989173.

3719897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (3719879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 48841 = 1916^2 + 221^2 .

It is an emirp because it is prime and its reverse (7989173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3719897 - 2¹⁶ = 3654361 is a prime.

Together with 3719899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3719899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859948 + 1859949.

It is an arithmetic number, because the mean of its divisors is an integer number (1859949).

Almost surely, 2^3719897 is an apocalyptic number.

It is an amenable number.

3719897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3719897 is an equidigital number, since it uses as much as digits as its factorization.

3719897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 3719897 is about 1928.7034505076. The cubic root of 3719897 is about 154.9447878275.

The spelling of 3719897 in words is "three million, seven hundred nineteen thousand, eight hundred ninety-seven".