3662989 has 16 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 3182400.

The previous prime is 3662987. The next prime is 3662999. The reversal of 3662989 is 9892663.

It is a cyclic number.

It is not a de Polignac number, because 3662989 - 2¹ = 3662987 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 (3662983) 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 15 ways as a sum of consecutive naturals, for example, 35512 + ... + 35614.

It is an arithmetic number, because the mean of its divisors is an integer number (261144).

Almost surely, 2^3662989 is an apocalyptic number.

It is an amenable number.

3662989 is a deficient number, since it is larger than the sum of its proper divisors (515315).

3662989 is a wasteful number, since it uses less digits than its factorization.

3662989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228.

The product of its digits is 139968, while the sum is 43.

The square root of 3662989 is about 1913.8936752077. The cubic root of 3662989 is about 154.1505948021.

The spelling of 3662989 in words is "three million, six hundred sixty-two thousand, nine hundred eighty-nine".