3663937 has 4 divisors (see below), whose sum is σ = 3673476. Its totient is φ = 3654400.

The previous prime is 3663929. The next prime is 3663949. The reversal of 3663937 is 7393663.

3663937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 1825201 = 1356^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 3663937 - 2³ = 3663929 is a prime.

It is a Duffinian number.

3663937 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3663896 and 3663905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663917) 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 3 ways as a sum of consecutive naturals, for example, 4168 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (918369).

Almost surely, 2^3663937 is an apocalyptic number.

It is an amenable number.

3663937 is a deficient number, since it is larger than the sum of its proper divisors (9539).

3663937 is an equidigital number, since it uses as much as digits as its factorization.

3663937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538.

The product of its digits is 61236, while the sum is 37.

The square root of 3663937 is about 1914.1413218464. The cubic root of 3663937 is about 154.1638919718.

The spelling of 3663937 in words is "three million, six hundred sixty-three thousand, nine hundred thirty-seven".