32669989 has 16 divisors (see below), whose sum is σ = 36904896. Its totient is φ = 28662400.

The previous prime is 32669963. The next prime is 32669993. The reversal of 32669989 is 98996623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32669989 - 2⁹ = 32669477 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 (32669929) 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 15 ways as a sum of consecutive naturals, for example, 47919 + ... + 48595.

It is an arithmetic number, because the mean of its divisors is an integer number (2306556).

Almost surely, 2^32669989 is an apocalyptic number.

It is an amenable number.

32669989 is a deficient number, since it is larger than the sum of its proper divisors (4234907).

32669989 is a wasteful number, since it uses less digits than its factorization.

32669989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its digits is 1259712, while the sum is 52.

The square root of 32669989 is about 5715.7667027268. The cubic root of 32669989 is about 319.6806351511.

The spelling of 32669989 in words is "thirty-two million, six hundred sixty-nine thousand, nine hundred eighty-nine".