3639485 has 8 divisors (see below), whose sum is σ = 4383456. Its totient is φ = 2900880.

The previous prime is 3639481. The next prime is 3639487. The reversal of 3639485 is 5849363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3639485 - 2² = 3639481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (547932).

Almost surely, 2^3639485 is an apocalyptic number.

It is an amenable number.

3639485 is a deficient number, since it is larger than the sum of its proper divisors (743971).

3639485 is a wasteful number, since it uses less digits than its factorization.

3639485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 77760, while the sum is 38.

The square root of 3639485 is about 1907.7434313869. The cubic root of 3639485 is about 153.8201785954.

The spelling of 3639485 in words is "three million, six hundred thirty-nine thousand, four hundred eighty-five".