33089664 has 32 divisors (see below), whose sum is σ = 87895440. Its totient is φ = 11029760.

The previous prime is 33089647. The next prime is 33089681. The reversal of 33089664 is 46698033.

It is an interprime number because it is at equal distance from previous prime (33089647) and next prime (33089681).

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 42702 + ... + 43469.

Almost surely, 2^33089664 is an apocalyptic number.

It is an amenable number.

33089664 is an abundant number, since it is smaller than the sum of its proper divisors (54805776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33089664 is an equidigital number, since it uses as much as digits as its factorization.

33089664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86188 (or 86176 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 33089664 is about 5752.3616019857. The cubic root of 33089664 is about 321.0436756984.

The spelling of 33089664 in words is "thirty-three million, eighty-nine thousand, six hundred sixty-four".