3630389 has 8 divisors (see below), whose sum is σ = 4329600. Its totient is φ = 2976336.

The previous prime is 3630377. The next prime is 3630391. The reversal of 3630389 is 9830363.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3630389 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630359) 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, 11114 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (541200).

Almost surely, 2^3630389 is an apocalyptic number.

It is an amenable number.

3630389 is a deficient number, since it is larger than the sum of its proper divisors (699211).

3630389 is a wasteful number, since it uses less digits than its factorization.

3630389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3630389 is about 1905.3579716158. The cubic root of 3630389 is about 153.6919264228.

The spelling of 3630389 in words is "three million, six hundred thirty thousand, three hundred eighty-nine".