3641697 has 12 divisors (see below), whose sum is σ = 5282004. Its totient is φ = 2417760.

The previous prime is 3641653. The next prime is 3641707. The reversal of 3641697 is 7961463.

3641697 is a `hidden beast` number, since 3 + 641 + 6 + 9 + 7 = 666.

3641697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 938961 = 1644^2 + 969^2 .

It is not a de Polignac number, because 3641697 - 2⁶ = 3641633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3641647) 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 in 11 ways as a sum of consecutive naturals, for example, 1947 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (440167).

Almost surely, 2^3641697 is an apocalyptic number.

It is an amenable number.

3641697 is a deficient number, since it is larger than the sum of its proper divisors (1640307).

3641697 is a wasteful number, since it uses less digits than its factorization.

3641697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1677 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3641697 is about 1908.3230858531. The cubic root of 3641697 is about 153.8513351396.

The spelling of 3641697 in words is "three million, six hundred forty-one thousand, six hundred ninety-seven".