3908693 has 2 divisors, whose sum is σ = 3908694. Its totient is φ = 3908692.

The previous prime is 3908687. The next prime is 3908701. The reversal of 3908693 is 3968093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3713329 + 195364 = 1927^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 3908693 - 2⁶ = 3908629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3908393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1954346 + 1954347.

It is an arithmetic number, because the mean of its divisors is an integer number (1954347).

Almost surely, 2^3908693 is an apocalyptic number.

It is an amenable number.

3908693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3908693 is an equidigital number, since it uses as much as digits as its factorization.

3908693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3908693 is about 1977.0414765503. The cubic root of 3908693 is about 157.5229562575.

The spelling of 3908693 in words is "three million, nine hundred eight thousand, six hundred ninety-three".