3908497 has 2 divisors, whose sum is σ = 3908498. Its totient is φ = 3908496.

The previous prime is 3908491. The next prime is 3908501. The reversal of 3908497 is 7948093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3444736 + 463761 = 1856^2 + 681^2 .

It is an emirp because it is prime and its reverse (7948093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3908497 - 2⁷ = 3908369 is a prime.

It is not a weakly prime, because it can be changed into another prime (3908491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1954248 + 1954249.

It is an arithmetic number, because the mean of its divisors is an integer number (1954249).

Almost surely, 2^3908497 is an apocalyptic number.

It is an amenable number.

3908497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3908497 is an equidigital number, since it uses as much as digits as its factorization.

3908497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3908497 is about 1976.9919069131. The cubic root of 3908497 is about 157.5203232362.

The spelling of 3908497 in words is "three million, nine hundred eight thousand, four hundred ninety-seven".