33089816 has 16 divisors (see below), whose sum is σ = 63061440. Its totient is φ = 16273440.

The previous prime is 33089809. The next prime is 33089827. The reversal of 33089816 is 61898033.

It is a self number, because there is not a number n which added to its sum of digits gives 33089816.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33416 + ... + 34391.

It is an arithmetic number, because the mean of its divisors is an integer number (3941340).

Almost surely, 2^33089816 is an apocalyptic number.

It is an amenable number.

33089816 is a deficient number, since it is larger than the sum of its proper divisors (29971624).

33089816 is a wasteful number, since it uses less digits than its factorization.

33089816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67874 (or 67870 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 33089816 is about 5752.3748139355. The cubic root of 33089816 is about 321.0441672776.

The spelling of 33089816 in words is "thirty-three million, eighty-nine thousand, eight hundred sixteen".