33889009 has 16 divisors (see below), whose sum is σ = 42837120. Its totient is φ = 26040960.

The previous prime is 33888997. The next prime is 33889013. The reversal of 33889009 is 90098833.

It is not a de Polignac number, because 33889009 - 2¹¹ = 33886961 is a prime.

It is a super-2 number, since 2×33889009² = 2296929862004162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33889019) 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, 2607 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (2677320).

Almost surely, 2^33889009 is an apocalyptic number.

It is an amenable number.

33889009 is a deficient number, since it is larger than the sum of its proper divisors (8948111).

33889009 is a wasteful number, since it uses less digits than its factorization.

33889009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 33889009 is about 5821.4267151618. The cubic root of 33889009 is about 323.6082784345.

The spelling of 33889009 in words is "thirty-three million, eight hundred eighty-nine thousand, nine".