3639367 has 4 divisors (see below), whose sum is σ = 3659656. Its totient is φ = 3619080.

The previous prime is 3639347. The next prime is 3639379. The reversal of 3639367 is 7639363.

3639367 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3639367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639347) 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, 9873 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (914914).

Almost surely, 2^3639367 is an apocalyptic number.

3639367 is a deficient number, since it is larger than the sum of its proper divisors (20289).

3639367 is a wasteful number, since it uses less digits than its factorization.

3639367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288.

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

The square root of 3639367 is about 1907.7125045457. The cubic root of 3639367 is about 153.8185161828.

It can be divided in two parts, 363 and 9367, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 3639367 in words is "three million, six hundred thirty-nine thousand, three hundred sixty-seven".