33945489 has 12 divisors (see below), whose sum is σ = 49119876. Its totient is φ = 22589952.

The previous prime is 33945467. The next prime is 33945497. The reversal of 33945489 is 98454933.

It is a happy number.

33945489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7935489 + 26010000 = 2817^2 + 5100^2 .

It is not a de Polignac number, because 33945489 - 2¹⁶ = 33879953 is a prime.

It is a super-3 number, since 3×33945489³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (33945389) 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 11 ways as a sum of consecutive naturals, for example, 2497 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (4093323).

Almost surely, 2^33945489 is an apocalyptic number.

It is an amenable number.

33945489 is a deficient number, since it is larger than the sum of its proper divisors (15174387).

33945489 is a wasteful number, since it uses less digits than its factorization.

33945489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736 (or 6733 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 33945489 is about 5826.2757401277. The cubic root of 33945489 is about 323.7879556778.

The spelling of 33945489 in words is "thirty-three million, nine hundred forty-five thousand, four hundred eighty-nine".